WD Black SN850X 4TB NVMe SSD

Product information

Key specs

Total storage capacity

4 TB

Terabytes Written

2400 TB

Maximum read speed

7300 MB/s

Maximum write speed

6600 MB/s

Type of SSD

M.2 NVMe (PCIe)

Total storage capacity	4 TB
Terabytes Written	2400 TB
Maximum read speed	7300 MB/s
Maximum write speed	6600 MB/s
Type of SSD	M.2 NVMe (PCIe)
M.2 SSD connector type	M
PCIe version	PCIe 4.0
Formaat M.2 SSD	22x80

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Pros and cons

According to our solid state drive (SSD) expert

• Thanks to the very high read speed of 7.3GB/s and a write speed of 6.6GB/s, you don't have to wait long to open and transfer files.
• In addition to laptops and desktops, this SSD is also suitable for use in a PlayStation 5.
• With 4TB storage, you have enough space for 80 large games.
• Note: this M.2 NVMe SSD isn't suitable for use in a NAS or server.
• This internal SSD isn't licensed yet by Sony for use in a PlayStation 5.

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Description

Note: this M.2 SSD has a PCI Express 4.0 (NVMe) interface and only works if your system supports PCIe 4.0/NVMe. In addition, the SSD has an M-key, which only fits in systems with an M-slot. Make sure to check this in the manual of your laptop or motherboard.

Speed up your games with the WD Black SN850X 4TB NVMe without Heatsink. This internal SSD has a 7300MB/s read speed and 6600MB/s write speed. This makes this M.2 SSD up to 100 times faster than a regular 2.5-inch SSD. Your games launch within seconds, and other applications launch in no time. With 4TB storage, you have enough space for about 80 large games. So there's always a place for a new big title on the SN850X. This SSD is suitable for laptops and desktops, as well as a PlayStation 5.

Note: this M.2 SSD has a PCI Express 4.0 (NVMe) interface and only works if your system supports PCIe 4.0/NVMe. In addition, the SSD has an M-key, which only fits in systems with an M-slot. Make sure to check this in the manual of your laptop or motherboard.

Speed up your games with the WD Black SN850X 4TB NVMe without Heatsink. This internal SSD has a 7300MB/s read speed and 6600MB/s write speed. This makes this M.2 SSD up to 100 times faster than a regular 2.5-inch SSD. Your games launch within seconds, and other applications launch in no time. With 4TB storage, you have enough space for about 80 large games. So there's always a place for a new big title on the SN850X. This SSD is suitable for laptops and desktops, as well as a PlayStation 5.

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Tips for using this product

Tips for using this product

Read our tips and find out all about how to set up your product and use it the right way.

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Included by default

• Manual

Included by default

• Manual

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Key specs

Total storage capacity

4 TB

Terabytes Written

2400 TB

Maximum read speed

7300 MB/s

Maximum write speed

6600 MB/s

Type of SSD

M.2 NVMe (PCIe)

Total storage capacity	4 TB
Terabytes Written	2400 TB
Maximum read speed	7300 MB/s
Maximum write speed	6600 MB/s
Type of SSD	M.2 NVMe (PCIe)
M.2 SSD connector type	M
PCIe version	PCIe 4.0
Formaat M.2 SSD	22x80

View all specifications

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Suitable accessories

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Reviews

8 reviews

9,3/10 (8 reviews)

Rating

7 reviews with 5 stars

5 stars 0 reviews

1 reviews with 4 stars

4 stars 0 reviews

0 reviews with 3 stars

3 stars 0 reviews

0 reviews with 2 stars

2 stars 0 reviews

0 reviews with 1 star

1 star 0 reviews

Most helpful reviews

9,0/10

Some want those. I took this one

• This one loads my games a lot on my ps5
• Format also very nice
• No cooling element

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• Gerard
• 25 March 2023
• Automatically translated from Dutch

9,0/10

Nice serve

• Very quick
• Price at Coolblue on the high side when purchasing

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• Edwieg
• 24 November 2023
• Automatically translated from Dutch

10/10

good and reliable

• good, reliable and easy to install. my Mac
• no

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• Henk
• 25 June 2023
• Automatically translated from Dutch

8,0/10

One of the fastest drives in this segment

• Optional heat sink
• Very good performance

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• Frank
• 23 March 2024
• Automatically translated from Dutch

10/10

bloody fast

• bloody fast
• Easy to install

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• Marten
• 11 June 2023
• Automatically translated from Dutch

9,0/10

Some want those. I took this one

• This one loads my games a lot on my ps5
• Format also very nice
• Large storage capacity of 2TB
• No cooling element

I highly recommend this product when it comes to loading games

• Gerard
• 25 March 2023
• Automatically translated from Dutch

9,0/10

Nice serve

• Very quick
• Price at Coolblue on the high side when purchasing

Truly plug and play and extremely fast reading and writing. Recommended

• Edwieg
• 24 November 2023
• Automatically translated from Dutch

10/10

good and reliable

• good, reliable and easy to install. my Mac
• no

good and reliable

• Henk
• 25 June 2023
• Automatically translated from Dutch

View all 8 reviews

Insure your solid state drive (SSD)

You can select one of the Backup Plans below in your shopping cart. It will protect your brand new solid state drive (SSD) against damage and/or theft.

• 3-year Backup Plan
  32,99 one-time payment
• 5-year Backup Plan
  57,00 one-time payment

Specifications

Product

Product number

913091

Manufacturer code

WDS400T2X0E

Brand

Western Digital

Warranty

5 years

Processing of your defect

Via Coolblue

Old product returned for free

Storage properties

Total storage capacity

4 TB

Type of SSD

M.2 NVMe (PCIe)

M.2 PCIe version

4.0

SSD-controller

WD Black

Connection and compatibility

M.2 SSD connector type

M

Formaat M.2 SSD

22x80

Compatible with console model

PlayStation 5

With heatsink

General properties

Depth

0,24 cm

Height

2,2 cm

Width

8 cm

Color

Black

Speed and performance

Speed class M.2 SSD

High-end

Terabytes Written

2400 TB

Maximum read speed

7300 MB/s

Maximum write speed

6600 MB/s

Output operations per second (IOPS)

1200000

Input operations per second (IOPS)

1100000

Mean Time Between Failure (MTBF)

1750000 hours

Power usage

Average power consumption

0,65 W

Durability class

High-end