WD BLACK SN850X 4TB M.2 PCI Express Internal Solid State Drive, TLC (WDS400T2X0E-00BCA0)
$1,905.99
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Highlights
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- 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.
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WD BLACK SN850X 4TB M.2 PCI Express Internal Solid State Drive, TLC (WDS400T2X0E-00BCA0)
Item #: IM1NT7214Model #: WDS400T2X0E-00BCA0
$1,905.99
Free Returns
Online. In store. Always free.
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Price is $599.99, Regular price was $1,459.99, You save 58%
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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.
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Price is $59.99, Regular price was $129.99, You save 53%
Free delivery by Tue, Jul 14
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Price is $179.99, Regular price was $299.99, You save 40%
Free delivery by Tue, Jul 14
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Delivery by Tue, Jul 14
30-min pickup
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Price is $479.99, Regular price was $899.99, You save 46%
Free delivery by Tue, Jul 14
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Compare similar items
| Attributes | WD BLACK SN850X 4TB M.2 PCI Express Internal Solid State Drive, TLC (WDS400T2X0E-00BCA0) | WD_BLACK SN850X Gaming 4TB Internal NVMe Solid State Dive (WDBB9G0040BNC-WRSN) | WD_BLACK SN850X Gaming 2TB Internal NVMe Solid State Dive (WDBB9G0020BNC-WRSN) | WD Black SN850P 4TB M.2 2280 PCIe Internal Solid State Drive (WDBBYV0040BNC-WRSN) | WD Blue SA510 1TB 2.5" SATA Internal Solid State Drive, 3D-NAND (WDS100T3B0A-00AXR0) |
|---|---|---|---|---|---|
Your product WD BLACK SN850X 4TB M.2 PCI Express Internal Solid State Drive, TLC (WDS400T2X0E-00BCA0) Price is $1,905.99 |  Price is $599.99, Regular Price was $1,459.99, You save 58% |  Price is $329.99, Regular Price was $629.99, You save 47% |  Price is $2,534.99 |  Price is $375.99 | |
| Reviews | |||||
| Delivery Information | Free delivery by Thu, Jul 16 | Free delivery by Tue, Jul 14 | Free delivery by Wed, Jul 15 | Free delivery by Fri, Jul 17 | Free delivery by Thu, Jul 16 |
| Available in my store | No | Yes | Yes | No | No |
| Solid State Drive Type | Internal | Internal | Internal | Internal | Internal |
| SSD Capacity | 4TB | 4TB | 2TB | 4TB | 1TB |
| Series or Collection | BLACK SN850X | SN850X Gaming | SN850X Gaming | Black SN850P | Blue SA510 |
| True Color | Black | Black | Black | Black | Black |
| SSD Interface | PCI Express | Data not available | Data not available | PCI Express | SATA |
| Write Speed (Mbps) | Over 1,000 MBps | Data not available | Data not available | Over 1,000 MBps | 500 - 599 MBps |
| Read Speed (Mbps) | Over 1,000 MBps | Data not available | Data not available | Over 1,000 MBps | 500 - 599 MBps |
| Width in Inches | 0.87 | Data not available | Data not available | 3.15 | 2.75 |
| Warranty Information | 5 Year | Data not available | Data not available | 5 Year | 5 Year |
| Height in Inches | 0.09 | Data not available | Data not available | 0.96 | 0.28 |
| Depth in Inches | 3.15 | Data not available | Data not available | 0.39 | 3.94 |
| SSD Form Factor | M.2 | M.2 | M.2 | M.2 | 2.5" |
| Weight (Ounces) | 0.26 | Data not available | Data not available | 1.07 | 1.22 |
| SSD Recommended Use | Consumer | Consumer | Consumer | Consumer | Consumer |
| Platform Compatibility | PC | Data not available | Data not available | Data not available | PC |
| SED | Non-SED Hard Drive | Data not available | Data not available | Data not available | Non-SED Hard Drive |
| NAND Technology | TLC | Data not available | Data not available | Data not available | 3D-NAND |
| Add To Cart | Add To Cart | Add To Cart | Add To Cart |