Compare Solid State Drives

Compare Western Digital WD_BLACK SN8100 2TB vs WD_BLACK SN770 2TB

Western Digital WD_BLACK SN8100 2TB and WD_BLACK SN770 2TB are both solid state drives with the same Capacity (2000 GB) and Form Factor (M.2-2280). The main differences are in Interface, Max Sequential Read, Max Sequential Write and MTBF.

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Western Digital WD_BLACK SN8100 2TB

WD_BLACK SN770 2TB

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Last updated 7 minutes ago.

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Last updated 5 minutes ago.

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Brand

Western Digital

Brand

Western Digital

Model

WDS200T1X0M
WDS200T1X0M-00CMT0

Model

WDS200T3X0E

Release Date

📅 May 2025

Release Date

📅 January 2022

* First availability for purchase, it may not correspond to the actual market launch date.

User reviews

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User reviews

★★★★☆

(20 reviews)

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Performance (Charts)

3rd / 1746

Performance (Charts)

n/a

Effective Value

6th / 336

Effective Value

-

Price history

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Price history

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Price/GB

$0.11

Price/GB

$0.06

GB/$1

9.16

GB/$1

16.67

Series

-

Series

BLACK SN770 NVMe

Capacity

2000 GB

Capacity

2000 GB

Interface

PCIe Gen5 x4

Interface

PCIe Gen4 x4

NVME

Yes

NVME

Yes

Form Factor

M.2-2280

Form Factor

M.2-2280

SSD Controller

-

SSD Controller

20-82-10081-A1

NAND Flash Type

-

NAND Flash Type

3D TLC BiCS5

Max Sequential Read

Up to 14900 MB/s

Max Sequential Read

Up to 5150 MB/s

Max Sequential Write

Up to 14000 MB/s

Max Sequential Write

Up to 4850 MB/s

MTBF

1,750,000 Hours

MTBF

1.75 Million hours

Options (2)

	1TB $247.00
	4TB $789.99

Options (3)

	500GB $122.48
	1TB $74.99
	250GB $82.12

Comparison and key differences summary

Reasons to buy the Western Digital WD_BLACK SN8100 2TB:

Newer Product, it was released around 3 years later
Newer interface (PCIe Gen5 x4)

Reasons to buy the WD_BLACK SN770 2TB:

27% cheaper, you can save $110.71

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