Compare Solid State Drives

Compare WD Red SA500 4TB vs Red SN700 4TB

WD Red SA500 4TB and Western Digital Red SN700 4TB are both solid state drives with the same Capacity (4000 GB). The main differences are in Interface, NVME, Form Factor and Max Sequential Read.

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WD Red SA500 4TB

Western Digital Red SN700 4TB

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Brand

Western Digital

Brand

Western Digital

Model

WDS400T1R0A

Model

WDS400T1R0C

Release Date

📅 October 2019

Release Date

📅 September 2021

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

User reviews

★★★★★

(13 reviews)

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User reviews

★★★★★

(1 reviews)

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Price history

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Price history

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Price/GB

$0.07

Price/GB

$0.09

GB/$1

14.29

GB/$1

11.43

Series

Red SA500

Series

Red SN700 NVMe

Capacity

4000 GB

Capacity

4000 GB

Interface

SATA 6 Gb/s

Interface

PCIe Gen3 x4

NVME

No

NVME

Yes

Form Factor

2.5"

Form Factor

M.2-2280

NAND Flash Type

3D NAND

NAND Flash Type

-

Max Sequential Read

Up to 560 MB/s

Max Sequential Read

Up to 3400 MB/s

Max Sequential Write

Up to 530 MB/s

Max Sequential Write

Up to 3100 MB/s

MTBF

Up to 2M hours

MTBF

1,750,000 hours

Options (3)

	500GB $49.99
	1TB $458.05
	2TB $399.14

Options (4)

	250GB $191.99
	2TB $910.99
	1TB $421.02
	500GB $262.00

Comparison and key differences summary

Reasons to buy the WD Red SA500 4TB:

15% cheaper, you can save $150.46

Reasons to buy the Western Digital Red SN700 4TB:

Newer Product, it was released around 23 months later
Newer interface (PCIe Gen3 x4)

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