WD BLACK SN850X 4TB M.2 PCI Express Internal Solid State Drive, TLC (WDS400T2X0E-00BCA0)
$1,936.55
1
Highlights
View all details
- Engineered as an internal NVMe on PCIe Gen4 x4 for high-end gaming.
- Reaches 7,300/6,600 MB/s for ultra-fast loads and saves.
- Packs 4TB capacity on SanDisk TLC 3D NAND.
WD BLACK SN850X 4TB M.2 PCI Express Internal Solid State Drive, TLC (WDS400T2X0E-00BCA0)
Item #: IM1NT7214Model #: WDS400T2X0E-00BCA0
$1,936.55
Free Returns
Online. In store. Always free.
Learn More
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
About this product
WD BLACK SN850X is a top-tier Gen4 NVMe SSD built for elite gaming.
The 4TB model delivers up to 7,300MB/s reads and 6,600MB/s writes to slash load times and keep gameplay smooth. Built on SanDisk TLC 3D NAND, it supports DirectStorage and WD BLACK Dashboard with Game Mode 2.0 for tuning and monitoring. The M.2 2280, without heatsink, fits modern desktops and gaming laptops with an M-key slot, and is covered by a 5‑Year Limited Warranty with a 2400 TBW endurance rating.
- Engineered as an internal NVMe on PCIe Gen4 x4 for high-end gaming.
- Reaches 7,300/6,600 MB/s for ultra-fast loads and saves.
- Packs 4TB capacity on SanDisk TLC 3D NAND.
- Fits M.2 2280 slots with a slim 0.09-inch height.
- Optimized for Windows PCs with M.2 (M‑key) support.
- Thermal management and reliability features enhance stability.
- Bus-powered via M.2; Game Mode 2.0 boosts consistency.
- Uses a single M.2 PCIe slot for one internal SSD.
- Standard single-sided module.
- 5‑Year Limited Warranty and 2400 TBW endurance.
Frequently bought together
Page 1 of 4
Price is $179.99, Regular price was $299.99, You save 40%
Free Next-Day eligible by tomorrow
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
Price is $149.99, Regular price was $329.99, You save 54%
Free Next-Day eligible by tomorrow
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
NeeDoh Dream Drop, Color Chosen at Random (DRDND) is In-store only
Price is $6.29
Add to list
Price is $154.99, Regular price was $299.99, You save 48%
Free Next-Day eligible by tomorrow
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
Price is $0.25, Regular price was $0.79, You save 68%
Next-Day Delivery by tomorrow
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
Compare similar items
| Attributes | WD BLACK SN850X 4TB M.2 PCI Express Internal Solid State Drive, TLC (WDS400T2X0E-00BCA0) | SanDisk Black SN850X NVMe 2TB M.2 PCI Express Internal Solid State Drive, 3D-NAND (WDS200T2X0E-00BCA0) | WD_BLACK SN850X Gaming 4TB Internal NVMe Solid State Drive (WDBB9G0040BNC-WRSN) | WD_BLACK SN850X Gaming 2TB Internal NVMe Solid State Drive (WDBB9G0020BNC-WRSN) | WD_BLACK SN850X Gaming 1TB Internal NVMe Solid State Drive (WDBB9G0010BNC-WRSN) |
|---|---|---|---|---|---|
Your product WD BLACK SN850X 4TB M.2 PCI Express Internal Solid State Drive, TLC (WDS400T2X0E-00BCA0) Price is $1,936.55 |  Price is $1,089.99 |  Price is $629.99, Regular Price was $1,459.99, You save 56% |  Price is $339.99, Regular Price was $629.99, You save 46% |  Price is $219.99, Regular Price was $369.99, You save 40% | |
| Reviews | |||||
| Delivery Information | Free delivery by Tue, Sep 15 | Free delivery by Tue, Sep 15 | Pick up in 30 minutes | Pick up in 30 minutes | Pick up in 30 minutes |
| Available in my store | No | No | Yes | Yes | Yes |
| Solid State Drive Type | Internal | Internal | Internal | Internal | Internal |
| SSD Capacity | 4TB | 2TB | 4TB | 2TB | 1TB |
| True Color | Black | Black | Black | Black | Black |
| SSD Form Factor | M.2 | M.2 | M.2 | M.2 | M.2 |
| SSD Recommended Use | Consumer | Consumer | Consumer | Consumer | Consumer |
| Series or Collection | BLACK SN850X | Black SN850X NVMe | SN850X Gaming | SN850X Gaming | SN850X Gaming |
| SSD Interface | PCI Express | PCI Express | Data not available | Data not available | Data not available |
| Width in Inches | 0.87 | 0.87 | Data not available | Data not available | Data not available |
| Warranty Information | 5 Year | 5 Year | Data not available | Data not available | Data not available |
| Write Speed (Mbps) | Over 1,000 MBps | Over 1,000 MBps | Data not available | Data not available | Data not available |
| Height in Inches | 0.09 | 0.09 | Data not available | Data not available | Data not available |
| Depth in Inches | 3.15 | 3.15 | Data not available | Data not available | Data not available |
| Read Speed (Mbps) | Over 1,000 MBps | Over 1,000 MBps | Data not available | Data not available | Data not available |
| Weight (Ounces) | 0.26 | 0.26 | Data not available | Data not available | Data not available |
| SED | Non-SED Hard Drive | Data not available | Data not available | Data not available | Data not available |
| NAND Technology | TLC | 3D-NAND | Data not available | Data not available | Data not available |
| Platform Compatibility | PC | Data not available | Data not available | Data not available | Data not available |
| Add To Cart | Add To Cart | Add To Cart | Add To Cart |