Western Digital WD_BLACK SN7100 2TB vs SN850 2TB SSD Comparison

Western Digital WD_BLACK SN7100 2TB and Western Digital SN850 2TB are both solid state drives with the same Capacity (2000 GB), Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in NAND Flash Type, Max Sequential Read, Max Sequential Write and MTBF.

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Western Digital WD_BLACK SN7100 2TB	Western Digital SN850 2TB
Prices (Change region) In Stock $289.99 Last updated 55 minutes ago. In Stock Free shipping $289.99 In Stock $289.99 Out of Stock $289.99 In Stock Free shipping $331.00 Show 2 more offers	Prices (Change region) In Stock Free shipping $344.38 In Stock $400.00 Last updated 52 minutes ago.
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Brand Western Digital	Brand Western Digital
Model WDS200T4X0E-00CJA0 WDS200T4X0E	Model WDS200T1X0E
Release Date 📅 December 2024	Release Date 📅 October 2020
* 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
Performance (Charts) n/a	Performance (Charts) 35th / 1746
Effective Value -	Effective Value 67th / 336
Price history View Details ►	Price history View Details ►
Price/GB $0.14	Price/GB $0.17
GB/$1 6.9	GB/$1 5.81
Series SN7100	Series BLACK SN850 NVMe
Capacity 2000 GB	Capacity 2000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller -	SSD Controller WD/SanDisk NVMe G2
NAND Flash Type TLC 3D NAND	NAND Flash Type 3D NAND
Max Sequential Read Up to 7250 MB/s	Max Sequential Read Up to 7000 MB/s
Max Sequential Write Up to 6900 MB/s	Max Sequential Write Up to 5100 MB/s
MTBF 1,750,000 hours	MTBF 1.75M Hours