SANDISK WD Blue SN5100 1TB vs WD Blue SN550 1TB NVMe SSD Comparison

SANDISK WD Blue SN5100 1TB and WD Blue SN550 1TB NVMe are both solid state drives with the same Capacity (1000 GB), Form Factor (M.2-2280) and NAND Flash Type (3D NAND). The main differences are in Interface, Max Sequential Read, Max Sequential Write and MTBF.

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SANDISK WD Blue SN5100 1TB	WD Blue SN550 1TB NVMe
Prices (Change region) In Stock Free shipping $168.00 In Stock $172.15 Last updated 51 minutes ago. In Stock Free shipping $179.99 In Stock Free shipping $219.99 Show 1 more offers	Prices (Change region) In Stock Free shipping $161.79
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Brand SANDISK	Brand Western Digital
Model WDS100T5B0E-00CPE0 WDS100T5B0E	Model WDS100T2B0C
Release Date 📅 August 2025	Release Date 📅 December 2019
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★★ (6 reviews) Add a product review
Performance (Charts) n/a	Performance (Charts) 114th / 1760
Effective Value -	Effective Value 103rd / 336
Price history View Details ►	Price history View Details ►
Price/GB $0.17	Price/GB $0.16
GB/$1 5.95	GB/$1 6.18
Series WD Blue	Series Blue SN550 NVMe
Capacity 1000 GB	Capacity 1000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen3 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
NAND Flash Type 3D NAND	NAND Flash Type 3D NAND
Cache No DRAM (HMB)	Cache -
Max Sequential Read Up to 7100 MB/s	Max Sequential Read Up to 2400 MB/s
Max Sequential Write Up to 6700 MB/s	Max Sequential Write Up to 1950 MB/s
MTBF 1.75 Million hours	MTBF 1.7M hours