SanDisk
Prices
SanDisk WD_BLACK SN8100
23 offers at 5 retailers · from $239 (1TB at Walmart)
Score 9.6 · Exceptional for PCIe Gen5
14,900 read · 14,000 write MB/s
M.2 2280
NVMe PCIe Gen5 (128 Gbps)
DRAM cache
5-year warranty
Gen 5 average best price $0.199/GB
→ Holding (−2.5% since last reported)
Snapshot Nov 2, 2026
1TB
600 TBW · Single-sided
Best:
$239 at Walmart
· $0.239/GB
20% above the average best Gen 5 price ($0.199/GB)
Retailer
Price
$/GB
Stock
Checked
Current $
Bare drive
2 offers · lowest $249
Walmart
Lowest
Lowest in ~1 month ($229)
Older model WDS100T1X0M-00CMT0.
$249
$0.249
/GB
In Stock
Nov 2, 2026
Newegg
Out of Stock
Nov 2, 2026
Heatsink
2 offers · lowest $239
Walmart
Lowest
Lowest tracked price
Older model WDS100T1XHM-00CMT0.
$239
$0.239
/GB
In Stock
Nov 2, 2026
B&H
Out of Stock
Nov 2, 2026
Best Buy
Out of Stock
Nov 2, 2026
Newegg
Out of Stock
Nov 2, 2026
SanDisk Direct
Discontinued
Oct 29, 2026
2TB
1,200 TBW · Single-sided
Best:
$357 at Newegg
· $0.179/GB
10% below the average best Gen 5 price ($0.199/GB)
Retailer
Price
$/GB
Stock
Checked
Current $
Bare drive
3 offers · lowest $357
Best Buy
Lowest in ~28 days ($439)
Older model WDBCMT0020BNC-WRSN.
$479
$0.240
/GB
In Stock
Nov 2, 2026
Amazon
Out of Stock
Nov 2, 2026
Heatsink
4 offers · lowest $429
SanDisk Direct
WD_BLACK™ SN8100 SSD is now SANDISK Optimus GX PRO 8100 SSD
Discontinued
Oct 29, 2026
4TB
2,400 TBW · Single-sided
Best:
$839 at Amazon and Walmart
· $0.210/GB
6% above the average best Gen 5 price ($0.199/GB)
Retailer
Price
$/GB
Stock
Checked
Current $
Bare drive
3 offers · lowest $859
Best Buy
Lowest
Lowest tracked price
Older model WDS400T1X0M-00CMT0.
$859
$0.215
/GB
In Stock
Nov 2, 2026
Walmart
Lowest
Lowest in ~15 days ($839)
Older model WDS400T1X0M-00CMT0.
$859
$0.215
/GB
In Stock
Nov 2, 2026
Heatsink
5 offers · lowest $839
SanDisk Direct
WD_BLACK™ SN8100 SSD is now SANDISK Optimus GX PRO 8100 SSD.
Discontinued
Oct 29, 2026
8TB
4,800 TBW · Double-sided
Best:
$1,790 at Amazon
· $0.224/GB
13% above the average best Gen 5 price ($0.199/GB)
Retailer
Price
$/GB
Stock
Checked
Current $
Bare drive
2 offers · lowest $2,499
Heatsink
2 offers · lowest $1,790
SanDisk Direct
WD_BLACK™ SN8100 SSD is now SANDISK Optimus GX PRO 8100 SSD.
Discontinued
Oct 29, 2026
- Sold on the retailer's site by a third-party seller.