Seagate
Prices
Seagate Storage Expansion Card Xbox Series X|S
1 offer at 1 retailer · from $389 (1TB at Newegg)
Score 6.8 · Basic for PCIe Gen3-class
2,400 read · 2,400 write MB/s
Proprietary
NVMe PCIe Gen4 x2 (32 Gbps)
Cache not disclosed
3-year warranty
Passive Cooling
Xbox Series X|S expansion card — not an M.2 slot.
Read the buyer guide ↗1TB
Best:
$389 at Newegg
· $0.389/GB
Retailer
Price
$/GB
Stock
Checked
Current $
Walmart
Out of Stock
Nov 2, 2026
2TB
Retailer
Price
$/GB
Stock
Checked
Current $
Newegg
Out of Stock
Nov 2, 2026
Walmart
Out of Stock
Oct 29, 2026
- Sold on the retailer's site by a third-party seller.