WD Black SN850 1 TB SSD Review – The Fastest SSD

Source: Tech Power Up added 13th Feb 2021

  • wd-black-sn850-1-tb-ssd-review-–-the-fastest-ssd

Introduction

Western Digital (or simply WD) is the world’s largest manufacturer of storage solutions, mostly known for their wide range of hard disk offerings. With their acquisition of SanDisk in 2016, WD became one of the largest manufacturers for flash storage, too.

Today, we’re reviewing the WD Black SN850 SSD, which is a high-end M.2 NVMe drive that introduces support for the PCI-Express 4.0 interface. Internally, the WD Black SN850 uses the new eight-channel SanDisk 20-82-10035-A1 controller, which Western Digital refers to as the WD G2. The flash chips are made by Toshiba and 96-layer TLC. A Nanya DRAM chip provides 1 GB of storage for the mapping tables of the SSD.

The WD Black SN850 comes in capacities of 500 GB ($120), 1 TB ($230), and 2 TB ($450). Endurance for these models is set to 300 TBW, 600 TBW, and 1200 TBW respectively. WD also offers a separate SKU that comes with a preinstalled heatsink, for a small price increase, of course. WD provides a five-year warranty for the SN850.

Specifications: WD Black SN850 1 TB SSD
Brand: WD / Western Digital
Model: WDS100T1X0E-00AFY0
Capacity: 1000 GB (931 GB usable)

24 GB additional overprovisioning
Controller: SanDisk 20-82-10035-A1 / WD G2
Flash: Toshiba 96-layer 3D TLC BiCS4

Rebranded as SanDisk
DRAM: 1x 1 GB Nanya DDR4-2666

NT5AD512M16C4-HR
Endurance: 600 TBW
Form Factor: M.2 2280
Interface: PCIe Gen 4 x4, NVMe 1.4
Device ID: WDS100T1X0E-00AFY0
Firmware: 611110WD
Warranty: 5 years
Price at Time

of Review:
$230 / 23 cents per GB
Read the full article at Tech Power Up

brands: NANYA  New  One  SanDisk  Simply  Solutions  Toshiba  WD  Western Digital  
media: Tech Power Up  
keywords: Review  SSD  TLC  

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