SANDISK Optimus 5100 4TB vs Optimus GX PRO 8100 4TB Heatsink SSD Comparison

SANDISK Optimus 5100 4TB and SANDISK Optimus GX PRO 8100 4TB Heatsink are both solid state drives with the same Capacity (4000 GB), Form Factor (M.2-2280) and Cache (No DRAM (SLC)). The main differences are in Interface, NAND Flash Type, Max Sequential Read and Max Sequential Write.

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SANDISK Optimus 5100 4TB	SANDISK Optimus GX PRO 8100 4TB Heatsink
Prices (Change region) In Stock Free shipping $1,373.50 In Stock + $11.20 Shipping $1,399.99	Prices (Change region) In Stock $1,449.99 In Stock Free shipping $1,449.99 In Stock Free shipping $1,449.99 In Stock $1,449.99 Last updated 22 minutes ago. In Stock Free shipping $1,666.23 Show 2 more offers
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Brand SanDisk	Brand SanDisk
Model SDSP51400TAN-000E0 SDSP51400TAN	Model SDSP82400TAH-000E0 SDSP82400TAH
Release Date 📅 February 2026	Release Date 📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.34	Price/GB $0.36
GB/$1 2.91	GB/$1 2.76
Series Optimus 5100	Series Optimus GX PRO 8100
Capacity 4000 GB	Capacity 4000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen5 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
NAND Flash Type QLC 3D CBA NAND	NAND Flash Type 3D NAND TLC
Cache No DRAM (SLC)	Cache No DRAM (SLC)
Max Sequential Read Up to 6900 MB/s	Max Sequential Read Up to 14900 MB/s
Max Sequential Write Up to 6700 MB/s	Max Sequential Write Up to 14000 MB/s
MTBF 1,750,000 hours	MTBF 1,750,000 hours