/* ========================================================================== DIYSSD NAVIGATION - CSS VARIABLES ========================================================================== */ :root { /* Charcoal Scale */ --charcoal-050: #f5f5f5; --charcoal-100: #e6e6e6; --charcoal-200: #cccccc; --charcoal-300: #adadad; --charcoal-500: #7a7a7a; --charcoal-700: #565656; --charcoal-800: #474747; --charcoal-900: #3a3a3a; --charcoal-950: #2c2c2c; /* Accent Colors - WCAG AA Compliant */ --ocean-blue: #245270; --ocean-blue-rgb: 36, 82, 112; --terracotta: #c7522a; --golden-sand: #e5b363; --forest-green: #5d8a66; --dusty-plum: #8b5a8b; /* Accessibility */ --focus-ring-color: var(--ocean-blue); --focus-ring-width: 3px; --focus-ring-offset: 2px; --touch-target-min: 44px; /* Transitions */ --transition-speed: 0.2s; --transition-easing: cubic-bezier(0.4, 0, 0.2, 1); } /* Reduced Motion Support */ @media (prefers-reduced-motion: reduce) { :root { --transition-speed: 0.01ms; } * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } } /* ========================================================================== NAVIGATION CONTAINER ========================================================================== */ .diyssd-nav-container { position: relative; width: 100%; background: #ffffff; border-bottom: 1px solid var(--charcoal-200); z-index: 1000; } /* ========================================================================== MAIN NAVIGATION ========================================================================== */ .diyssd-nav { display: flex; align-items: center; justify-content: space-between; max-width: 1440px; margin: 0 auto; padding: 0.75rem 1.5rem; height: 4rem; background: #ffffff; /* Performance: GPU acceleration for smoother rendering */ transform: translateZ(0); backface-visibility: hidden; } /* ========================================================================== LOGO SECTION ========================================================================== */ .diyssd-nav-left { flex: 1; display: flex; align-items: center; min-width: 0; } .diyssd-logo { font-family: "Oswald", sans-serif; font-weight: 800; font-size: 36px; color: #2d5a7b; text-decoration: none; display: block; /* Performance: Prevent paint on hover */ will-change: opacity; } .diyssd-logo:hover { opacity: 0.8; } .diyssd-logo:focus-visible { outline: var(--focus-ring-width) solid var(--focus-ring-color); outline-offset: var(--focus-ring-offset); border-radius: 4px; } /* ========================================================================== MENU CONTAINER ========================================================================== */ .diyssd-nav-right { flex: 0 0 auto; display: flex; align-items: center; gap: 0.75rem; height: 100%; } /* ========================================================================== DESKTOP MENU ========================================================================== */ .diyssd-desktop-menu { display: none; align-items: center; gap: 0rem; list-style: none; margin: 0; padding: 0; height: 100%; } @media (min-width: 769px) { .diyssd-desktop-menu { display: flex; } } /* ========================================================================== MENU ITEMS ========================================================================== */ .diyssd-menu-item { position: relative; display: flex; align-items: center; height: 100%; /* Performance: Can't use contain here as it breaks dropdown positioning */ } .diyssd-menu-link { display: flex; align-items: center; padding: 0.75rem 1rem; min-height: var(--touch-target-min); color: var(--charcoal-900); text-decoration: none; font-size: 0.9375rem; font-weight: 500; white-space: nowrap; border-radius: 4px; transition: all var(--transition-speed) var(--transition-easing); cursor: pointer; /* Performance: Hint for background color changes */ will-change: background-color, color; } .diyssd-menu-link:hover { color: var(--ocean-blue); background-color: var(--charcoal-050); } .diyssd-menu-link:focus { outline: none; } .diyssd-menu-link:focus-visible { outline: var(--focus-ring-width) solid var(--focus-ring-color); outline-offset: calc(var(--focus-ring-offset) * -1); } .diyssd-menu-link.has-dropdown::after { content: "▼"; margin-left: 0.5rem; font-size: 0.625rem; transition: transform var(--transition-speed) var(--transition-easing); display: inline-block; /* Performance: Use transform for rotation */ will-change: transform; } .diyssd-menu-item:hover .diyssd-menu-link.has-dropdown::after { transform: rotate(180deg); } /* ========================================================================== MENU DIVIDER ========================================================================== */ .diyssd-menu-divider { width: 1px; height: 1.5rem; background-color: var(--charcoal-200); margin: 0; } /* ========================================================================== DROPDOWN MENU ========================================================================== */ .diyssd-dropdown { position: absolute; top: calc(100% + 0.5rem); left: 50%; min-width: 200px; background: #ffffff; border-radius: 8px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); padding: 0.5rem; opacity: 0; visibility: hidden; /* Performance: Use transform for animation instead of top/left */ transform: translateX(-50%) translateY(-8px); transition: opacity var(--transition-speed) var(--transition-easing), visibility var(--transition-speed) var(--transition-easing), transform var(--transition-speed) var(--transition-easing); z-index: 1001; /* Performance: GPU acceleration */ will-change: opacity, transform; backface-visibility: hidden; } .diyssd-menu-item:hover .diyssd-dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); } .diyssd-dropdown-link { display: flex; align-items: center; padding: 0.75rem; min-height: var(--touch-target-min); color: var(--charcoal-900); text-decoration: none; font-size: 0.875rem; font-weight: 500; border-radius: 4px; transition: all var(--transition-speed) var(--transition-easing); /* Performance: Hint for hover state */ will-change: background-color, color; } .diyssd-dropdown-link:hover { color: var(--ocean-blue); background-color: var(--charcoal-050); } .diyssd-dropdown-link:focus { outline: none; } .diyssd-dropdown-link:focus-visible { outline: var(--focus-ring-width) solid var(--focus-ring-color); outline-offset: calc(var(--focus-ring-offset) * -1); } .diyssd-dropdown-link:active { background-color: var(--charcoal-050); } .diyssd-dropdown-link.active { color: var(--terracotta); background-color: rgba(199, 82, 42, 0.08); font-weight: 600; } /* ========================================================================== MOBILE TOGGLE BUTTON ========================================================================== */ .diyssd-mobile-toggle { display: flex; flex-direction: column; justify-content: space-around; width: var(--touch-target-min); height: var(--touch-target-min); padding: 0.75rem; background: transparent; border: none; cursor: pointer; border-radius: 4px; transition: background-color var(--transition-speed) var(--transition-easing); /* Performance: Hint for background changes */ will-change: background-color; } .diyssd-mobile-toggle:hover { background-color: var(--charcoal-050); } .diyssd-mobile-toggle:focus { outline: none; } .diyssd-mobile-toggle:focus-visible { outline: var(--focus-ring-width) solid var(--focus-ring-color); outline-offset: calc(var(--focus-ring-offset) * -1); } .diyssd-mobile-toggle span { display: block; width: 100%; height: 2px; background-color: var(--charcoal-900); border-radius: 2px; transition: all var(--transition-speed) var(--transition-easing); /* Performance: GPU acceleration for transforms */ will-change: transform, opacity; backface-visibility: hidden; } .diyssd-mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); } .diyssd-mobile-toggle.active span:nth-child(2) { opacity: 0; } .diyssd-mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); } @media (min-width: 769px) { .diyssd-mobile-toggle { display: none; } } /* ========================================================================== MOBILE OVERLAY ========================================================================== */ .diyssd-mobile-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); opacity: 0; visibility: hidden; transition: opacity var(--transition-speed) var(--transition-easing), visibility var(--transition-speed) var(--transition-easing); z-index: 1001; /* Performance: GPU acceleration */ will-change: opacity; backface-visibility: hidden; } .diyssd-mobile-overlay.active { opacity: 1; visibility: visible; } @media (min-width: 769px) { .diyssd-mobile-overlay { display: none; } } /* ========================================================================== MOBILE MENU ========================================================================== */ .diyssd-mobile-menu { position: fixed; top: 0; right: 0; width: 85%; max-width: 320px; height: 100%; background: #ffffff; /* Performance: Use transform instead of right property */ transform: translateX(100%); transition: transform var(--transition-speed) var(--transition-easing); z-index: 1002; overflow-y: auto; box-shadow: -4px 0 12px rgba(0, 0, 0, 0.15); /* Performance: GPU acceleration */ will-change: transform; backface-visibility: hidden; /* Performance: Enable hardware scrolling */ -webkit-overflow-scrolling: touch; } .diyssd-mobile-menu.active { transform: translateX(0); } @media (min-width: 769px) { .diyssd-mobile-menu { display: none; } } /* ========================================================================== MOBILE HEADER ========================================================================== */ .diyssd-mobile-header { display: flex; align-items: center; justify-content: flex-end; padding: 0.6rem 1rem; border-bottom: 1px solid var(--charcoal-200); } .diyssd-mobile-close { display: flex; align-items: center; justify-content: center; width: var(--touch-target-min); height: var(--touch-target-min); padding: 0; background: transparent; border: none; cursor: pointer; border-radius: 4px; font-size: 1.5rem; color: var(--charcoal-900); transition: background-color var(--transition-speed) var(--transition-easing); /* Performance: Hint for background changes */ will-change: background-color; } .diyssd-mobile-close:hover { background-color: var(--charcoal-050); } .diyssd-mobile-close:focus { outline: none; } .diyssd-mobile-close:focus-visible { outline: var(--focus-ring-width) solid var(--focus-ring-color); outline-offset: calc(var(--focus-ring-offset) * -1); } /* ========================================================================== MOBILE CONTENT ========================================================================== */ .diyssd-mobile-content { padding: 1rem; } .diyssd-mobile-section { margin-bottom: 1rem; } .diyssd-mobile-section:last-child { margin-bottom: 0; } .diyssd-mobile-heading { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--charcoal-500); margin: 0 0 0.5rem 0; } .diyssd-mobile-divider { height: 1px; background-color: var(--charcoal-200); margin-bottom: 0.75rem; } .diyssd-mobile-link { display: flex; align-items: center; padding: 0 0.75rem; /* margin-bottom: 0.25rem; */ min-height: var(--touch-target-min); color: var(--charcoal-900); text-decoration: none; font-size: 0.875rem; font-weight: 500; border-radius: 4px; transition: all var(--transition-speed) var(--transition-easing); /* Performance: Hint for interactive states */ will-change: background-color, color, transform; } .diyssd-mobile-link:hover { color: var(--ocean-blue); background-color: var(--charcoal-050); } .diyssd-mobile-link:focus { outline: none; } .diyssd-mobile-link:focus-visible { outline: var(--focus-ring-width) solid var(--focus-ring-color); outline-offset: calc(var(--focus-ring-offset) * -1); } .diyssd-mobile-link:active { background-color: var(--charcoal-050); /* Performance: Use transform for visual feedback */ transform: translateX(2px); } .diyssd-mobile-link.active { color: var(--terracotta); background-color: rgba(199, 82, 42, 0.08); font-weight: 600; } /* ========================================================================== UTILITY CLASSES ========================================================================== */ body.diyssd-menu-open { overflow: hidden; } @media (prefers-contrast: high) { .diyssd-nav { border-bottom-width: 2px; } .diyssd-menu-link:focus-visible, .diyssd-dropdown-link:focus-visible, .diyssd-mobile-link:focus-visible { outline-width: 4px; } }

SanDisk Ultra Dual Drive Luxe

Dual Interface Design | Metal Thermal Enclosure | SanDisk Memory Zone Integration

/* Global reset for consistent box-sizing */ * { box-sizing: border-box; } /* Container for the entire TOC component */ .toc-embed-wrapper .toc-container { max-width: 800px; margin: 40px auto; } /* Individual collapsible item styling */ .toc-embed-wrapper .toc-item { background: #fff; border-radius: 16px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); margin-bottom: 18px; overflow: hidden; /* Prevents content from breaking border radius */ transition: box-shadow 0.2s ease; /* Smooth hover effect */ } /* Hover effect for entire item */ .toc-embed-wrapper .toc-item:hover { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15); } /* Toggle button styling - removes default button appearance */ .toc-embed-wrapper .toc-toggle { background: none; border: none; width: 100%; display: flex; justify-content: space-between; align-items: center; font-size: 1.15rem; font-weight: 500; cursor: pointer; padding: 24px 28px; outline: none; color: #1a1a1a; transition: background-color 0.2s ease; } /* Button hover state */ .toc-embed-wrapper .toc-toggle:hover { background-color: #e2e1df; } /* Keyboard focus accessibility - only visible when navigating with tab */ .toc-embed-wrapper .toc-toggle:focus-visible { outline: 2px solid #007acc; outline-offset: -2px; } /* Question text styling */ .toc-embed-wrapper .toc-question { flex: 1; /* Takes up remaining space */ font-weight: 400; text-align: left; margin: 0; } /* Plus/minus icon styling */ .toc-embed-wrapper .toc-icon { font-size: 1.8rem; font-weight: 300; transition: transform 0.3s ease, color 0.2s ease; /* Smooth rotation and color change */ margin-left: 20px; color: #666; flex-shrink: 0; /* Prevents icon from shrinking */ width: 24px; text-align: center; } /* Icon state when expanded - rotates 45deg to create X from + */ .toc-embed-wrapper .toc-toggle[aria-expanded="true"] .toc-icon { transform: rotate(45deg); color: #28a745; /* Green color when open */ } /* Answer content container - hidden by default */ .toc-embed-wrapper .toc-answer { padding: 0 28px 24px 28px; font-size: 1rem; color: #444; line-height: 1.6; display: none; /* Hidden by default */ animation: slideDown 0.3s ease-out; /* Smooth entrance animation */ } /* Show class for JavaScript toggle */ .toc-embed-wrapper .toc-answer.show { display: block; } /* Slide down animation for smooth reveal */ @keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } } /* Main ordered list styling (1, 2, 3...) */ .toc-embed-wrapper .toc-answer ol { list-style-type: none; /* Remove default numbering */ padding-left: 0; /* Remove default padding */ margin: 0.8em 0; /* Vertical spacing */ counter-reset: main-counter; /* Counter for main items */ } /* Main list items (h2 headers) */ .toc-embed-wrapper .toc-answer > ol > li { counter-increment: main-counter; position: relative; } .toc-embed-wrapper .toc-answer > ol > li::before { content: counter(main-counter) ". "; color: #007acc; font-weight: 600; margin-right: 0.5em; } /* Nested ordered list styling (x.1, x.2, x.3...) */ .toc-embed-wrapper .toc-answer ol ol { list-style-type: none; /* Remove default lettering */ padding-left: 2.2em; /* Additional indentation for hierarchy */ margin: 0.6em 0; /* Tighter spacing for nested items */ counter-reset: sub-counter; /* Counter for sub-items */ } /* Sub-list items (h3 headers) */ .toc-embed-wrapper .toc-answer ol ol li { counter-increment: sub-counter; position: relative; } .toc-embed-wrapper .toc-answer ol ol li::before { content: counter(main-counter) "." counter(sub-counter) " "; color: #28a745; font-weight: 500; margin-right: 0.5em; } /* Main list item spacing */ .toc-embed-wrapper .toc-answer li { margin: 0.6em 0; padding-left: 0.3em; /* Small padding for better text alignment */ } /* Nested list item spacing - tighter than main items */ .toc-embed-wrapper .toc-answer ol ol li { margin: 0.4em 0; } /* TOC link styling */ .toc-embed-wrapper .toc-answer a { text-decoration: none; color: #444; transition: color 0.2s ease; } .toc-embed-wrapper .toc-answer a:hover { color: #007acc; text-decoration: underline; } /* Remove default list marker styling since we're using custom numbering */ /* Empty state styling */ .toc-embed-wrapper .toc-empty { padding: 20px 28px; color: #888; font-style: italic; text-align: center; } /* Responsive design for mobile devices */ @media (max-width: 768px) { .toc-embed-wrapper .toc-container { margin: 20px auto; padding: 0 16px; /* Side padding on mobile */ } .toc-embed-wrapper .toc-toggle { padding: 20px 22px; /* Reduced padding on mobile */ font-size: 1.1rem; /* Slightly smaller font */ } .toc-embed-wrapper .toc-answer { padding: 0 22px 20px 22px; /* Matched reduced padding */ font-size: 0.95rem; /* Smaller text on mobile */ } .toc-embed-wrapper .toc-icon { font-size: 1.6rem; /* Smaller icon on mobile */ margin-left: 16px; } } /* Scroll offset for sticky header - adjust -80px to match your menubar height */ .toc-embed-wrapper .toc-answer a[href^="#"] { scroll-margin-top: 76px; /* Adjust this value to match your sticky menubar height */ } /* Alternative: Add offset to the target headers themselves */ h2, h3 { scroll-margin-top: 76px; /* Adjust this value to match your sticky menubar height */ }

Introduction

The SanDisk Ultra Dual Drive Luxe represents a significant evolution in portable storage solutions, addressing modern connectivity needs through its dual USB-C/USB-A design. This flash drive bridges the gap between legacy USB-A systems and modern USB-C devices, offering a versatile storage option for users managing cross-platform workflows. Its combination of metal construction and high-speed transfers positions it as a premium solution in the flash storage market.

Product Overview

This dual-interface flash drive provides seamless file transfers between USB-C smartphones/tablets and USB-A computers. Available in capacities from 32GB to 1TB, it serves content creators, mobile professionals, and tech enthusiasts requiring reliable cross-platform storage. The swivel-mounted connectors and keyring hole enhance portability while protecting the interfaces from physical damage.

Key Features

Dual Interface Design

The drive features simultaneous USB 3.1 Gen 1 Type-C (400MB/s read) and Type-A (150MB/s read) connectors, enabling direct transfers between devices without cloud intermediaries. This is particularly valuable for transferring 4K video footage from smartphones to editing workstations.

Metal Thermal Enclosure

An aluminum casing serves dual purposes:

Dissipates heat during sustained write operations
Provides crush resistance up to 50kg axial load
The monolithic construction eliminates seam failure points common in plastic drives.

SanDisk Memory Zone Integration

Proprietary software enables:

Automatic photo/video backup from mobile devices
File type segregation (media/docs/contacts)
One-touch encryption for sensitive data

Performance Analysis

Sequential Transfer Capabilities

Benchmarks show:

386MB/s read (USB-C) / 371MB/s read (USB-A)
166MB/s write speeds for large single files
Performance remains stable until 80% capacity utilization, after which write speeds decay linearly to 22MB/s at full capacity.

Random Access Performance

4K random performance metrics:

9,230 IOPS read (USB-C)
3,400 IOPS write
Suitable for small document transfers but inadequate for database applications.

Thermal Characteristics

The aluminum body maintains component temperatures below 65°C during continuous operation. Users should allow 2-minute cooldown periods after transferring >50GB of data to prevent connector warping.

Compatibility

PlayStation Systems

PS4: Full read/write compatibility via USB-A
PS5: Limited to media storage using rear USB-A ports
Front USB-C port incompatible due to Sony's power delivery restrictions

Windows/Mac Systems

USB-C achieves 380MB/s reads on Thunderbolt 4
USB-A limited to 150MB/s on USB 3.2 Gen 1 hosts
exFAT formatting required for cross-platform compatibility

Mobile Devices

Android: Full R/W access via USB-OTG
iOS: Read-only through Files app (no direct video capture)

Advantages and Limitations

Strengths

Dual-interface design eliminates dongle requirements
Sustained read performance matches SATA SSD benchmarks

Constraints

Write speed consistency degrades with drive fill
Metal casing becomes uncomfortably hot during prolonged use

Conclusion

The SanDisk Ultra Dual Drive Luxe excels as a portable transfer tool between USB-C mobile devices and USB-A workstations. While not suitable as a primary backup solution due to write speed inconsistencies, its rugged construction and dual-interface design make it ideal for photographers, video editors, and field technicians requiring reliable cross-platform transfers. Users should pair it with a traditional SSD for archival purposes.

Works Cited

SanDisk. Ultra Dual Drive Luxe Product Specifications. Western Digital Corporation.

"USB Flash Drive Performance Benchmarking Methodology." StorageReview.

"Cross-Platform Storage Solutions." Consumer Electronics Association.

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