WD

WD WD_Black SN850X 8TB NVMe SSD with Heatsink

B0D9WTM2TH
ps58TBNVMe-PCIe4M.2 2280
$172.50/TB
$1,379.99
newNot available
Price updated
Price accurate as of Aug 22, 2026, 12:30 AM
No current offer

The WD WD_Black SN850X 8TB NVMe SSD with Heatsink is a 8TB NVMe-PCIe4 PS5-SSD in new condition. It has no current offer on Amazon; the in-stock alternatives nearest its capacity are listed below.

In stock instead - nearest to 8TB

6 in-stock listings · this listing has no current offer on Amazon · ranked by live cost per tb, refreshed every few hours

DriveCapacityCondition$/TBPrice
Lexar 8TB NM790 Internal NVMe SSD, 7000/6200 MB/s
B0DG6Q25M2
8TBNEW$180.23$1442Buy
Samsung SSD 9100 PRO w/Heatsink 8TB
B0DY2NWFJV
8TBREFURB$215.63$1725Buy
SanDisk Optimus GX PRO 8TB 850X NVMe Internal Gaming Solid State Drive with
B0GJF1KVLY
8TBNEW$256.25$2050Buy
SanDisk 8TB Optimus GX PRO 8100 PCIe 5.0 NVMe SSD with Heatsink
B0GHYFY89M
8TBNEW$275.00$2200Buy
Samsung SSD 9100 PRO 8TB
B0DY2TB1TD
8TBNEW$305.62$2445Buy
Fikwot FX660 4TB M.2 SSD
B0FR4X2P8X
4TBNEW$109.25$437Buy
Before you buy: check the bay and the lanes

U.2 and U.3 drives need a backplane wired for NVMe or an adapter carrying PCIe lanes to the bay - a SAS backplane will not do it. Check your chassis supports NVMe in the slot you plan to use before ordering. NVMe drive prices and form factors

Same capacity, other options
DriveInterfaceCond$/TBPrice
Lexar 8TB NM790 Internal NVMe SSD, 7000/6200 MB/sNVMe-PCIe4New$180.23$1441.80Buy
Samsung SSD 9100 PRO w/Heatsink 8TBNVMe-PCIe5Refurb$215.63$1725.00Buy
SanDisk Optimus GX PRO 8TB 850X NVMe Internal Gaming Solid State Drive withNVMe-PCIe4New$256.25$2049.99Buy
SanDisk 8TB Optimus GX PRO 8100 PCIe 5.0 NVMe SSD with HeatsinkNVMe-PCIe4New$275.00$2199.99Buy

All 8TB drives we track, ranked by cost per terabyte.

Model context

Part of the WD line we track.

Quick Verdict

The WD WD_Black SN850X 8TB NVMe SSD with Heatsink delivers enterprise NVMe performance at $172.50/TB. Suited to read-intensive cloud workloads and mixed enterprise applications. Verify U.2/U.3 backplane compatibility before ordering.

Share:WhatsAppFacebookPost on X

Specifications

Capacity8TB
Form FactorM.2 2280
InterfaceNVMe-PCIe4
Recording Tech
Sector Size
Workload Rating
Warranty5 years
ASINB0D9WTM2TH
Market context

We do not have enough in-stock comparators of this type today to place this price against the rest of the market. The category page below ranks everything we do have.

Where the wider market has moved

These are third-party figures about the retail market as a whole, quoted and dated. They are not our own measurements and they do not describe this specific drive.

Compare against every 8TB drive we track →Cheapest per terabyte, all categories →
How it compares - 8TB NVMe-PCIe4
#1WD WD_Black 8TB Officially Licensed Storage Expansion Consoles
$154.37/TB
#2WD WD_Black SN850X 8TB NVMe SSD with HeatsinkTHIS DRIVE
$172.50/TB
#3Lexar 8TB NM790 Internal NVMe SSD, 7000/6200 MB/s
$180.23/TB
#4SanDisk Optimus GX PRO 8TB 850X NVMe Internal Gaming Solid State Drive with
$256.25/TB
#5SanDisk 8TB Optimus GX PRO 8100 PCIe 5.0 NVMe SSD with Heatsink
$275.00/TB

Frequently Asked Questions

This NVMe-PCIe4 cartridge requires a compatible NVMe-PCIe4 tape drive. NVMe-PCIe4 drives can also read the previous LTO generation.

BaFe (Barium Ferrite) tape media has an archival life of 30+ years when stored in controlled conditions (18-26°C, 20-50% humidity). Store tapes vertically and avoid magnetic fields.

Yes. LTO is an open standard. This cartridge works in any NVMe-PCIe4-compatible standalone drive or automated tape library regardless of manufacturer.

Use Case Scenarios

🗄️
OLTP Database Primary Storage
PostgreSQL, MySQL or Oracle requiring low latency and high IOPS.
✓ Excellent fit
NVMe delivers sub-200μs latency vs 5ms for HDD — a 25x improvement that directly reduces query response times. At 1 DWPD verify your daily write volume stays within endurance limits.
🤖
AI/ML Training & Inference
GPU server loading training datasets or serving inference at high throughput.
✓ Excellent fit
NVMe at 6,900MB/s eliminates storage bottlenecks when loading datasets to GPU memory. At 8TB you can store substantial model weights on a single drive.
💾
Bulk Cold Data Archive
Storing large volumes of infrequently accessed data.
✗ Not ideal
At ~$173/TB, NVMe costs 10x more than enterprise HDD for cold data. Unless you need fast retrieval, HDDs or LTO tape are far more cost-effective.

Maintenance & Troubleshooting

Maintenance Checklist

On installCheck SMART baseline on arrival
Run smartctl -a /dev/sdX and record: Reallocated_Sector_Ct, Power_On_Hours, Spin_Retry_Count. Establishes baseline for future comparison.
MonthlyRun SMART short self-test
smartctl -t short /dev/sdX — takes 1-2 minutes, catches most developing issues. Schedule during off-peak.
QuarterlyRun SMART long self-test
smartctl -t long /dev/sdX — full surface scan, takes 4 hours for 8TB. Any test failure is grounds for immediate replacement.
QuarterlyCheck RAID array health
Verify no degraded drives. A degraded array with no hot spare is one failure from data loss. Check mdstat or controller UI.
AnnuallyVerify drive firmware version
Check WD support site for firmware updates. Some versions have known bugs affecting integrity.
Every 3-5 yearsPlan proactive replacement
Enterprise HDDs have higher failure rates after year 4-5. At 8TB per drive, budget for replacements before failures occur.

Troubleshooting Guide

Cause: PCIe slot not initialized, missing NVMe driver, BIOS not updated, or U.2 cable issue.
Fix: Check BIOS for NVMe in PCIe enumeration. Update server firmware. Reseat U.2 cable. Verify PCIe bifurcation if using adapter. Test in another slot.