SANDISK WD Blue SN5100 4TB vs WD Blue SN5100 500GB SSD Comparison

SANDISK WD Blue SN5100 4TB and SANDISK WD Blue SN5100 500GB are both solid state drives with the same Interface (PCIe Gen4 x4), Form Factor (M.2-2280) and Cache (No DRAM (HMB)). The main differences are in Capacity, NAND Flash Type, Max Sequential Read and Max Sequential Write.

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SANDISK WD Blue SN5100 4TB	SANDISK WD Blue SN5100 500GB
Prices (Change region) In Stock Free shipping $534.49 In Stock $538.59 Last updated 51 minutes ago. In Stock Free shipping $599.99	Prices (Change region) In Stock $124.50 Last updated 51 minutes ago. In Stock Free shipping $126.34 In Stock Free shipping $136.99 In Stock Free shipping $199.99 Show 1 more offers
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Brand SANDISK	Brand SANDISK
Model WDS400T5B0E-00CPE0 WDS400T5B0E	Model WDS500G5B0E-00CPE0 WDS500G5B0E
Release Date 📅 September 2025	Release Date 📅 August 2025
* 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 $0.13	Price/GB $0.25
GB/$1 7.48	GB/$1 4.02
Series -	Series WD Blue
Capacity 4000 GB	Capacity 500 GB
Interface PCIe Gen4 x4	Interface PCIe Gen4 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
Cache No DRAM (HMB)	Cache No DRAM (HMB)
Max Sequential Read Up to 6900 MB/s	Max Sequential Read Up to 6600 MB/s
Max Sequential Write Up to 6700 MB/s	Max Sequential Write Up to 5600 MB/s
MTBF 1.75 Million hours	MTBF -