Compare Solid State Drives

Compare Western Digital WD_BLACK SN850P 4TB vs WD_BLACK SN7100 1TB

Western Digital WD_BLACK SN850P 4TB and Western Digital WD_BLACK SN7100 1TB are both solid state drives with the same Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in Capacity, Max Sequential Read, Max Sequential Write and MTBF.

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Western Digital WD_BLACK SN850P 4TB

Western Digital WD_BLACK SN7100 1TB

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Brand

Western Digital

Brand

Western Digital

Model

WDBBYV0040BNC-WRSN

Model

WDS100T4X0E-00CJA0
WDS100T4X0E

Release Date

📅 June 2023

Release Date

📅 December 2024

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

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User reviews

★★★★★

(2 reviews)

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Price history

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Price history

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Price/GB

$0.08

Price/GB

$0.07

GB/$1

12.9

GB/$1

13.34

Series

WD_BLACK SN850

Series

SN7100

Capacity

4000 GB

Capacity

1000 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

Western Digital

SSD Controller

-

NAND Flash Type

-

NAND Flash Type

TLC 3D NAND

Max Sequential Read

Up to 7300 MB/s

Max Sequential Read

Up to 7250 MB/s

Max Sequential Write

Up to 6600 MB/s

Max Sequential Write

Up to 6900 MB/s

MTBF

1.75M Hours

MTBF

1,750,000 hours

Options (4)

	2TB NEW - Up to 7,300MB/s $299.99
	1TB Up to 7,000 MB/s $249.99
	2TB Up to 7,000 MB/s $379.99
	1TB NEW - Up to 7,300MB/s $245.73

-

Comparison and key differences summary

Reasons to buy the Western Digital WD_BLACK SN850P 4TB:

More Capacity (+3000 GB available)

Reasons to buy the Western Digital WD_BLACK SN7100 1TB:

71% cheaper, you can save $425.01
Newer Product, it was released around 18 months later

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