WD

WD_Black SN850X 8TB NVMe SSD with Heatsink

B0D9WTM2TH
ps58TBNVMe-PCIe4M.2 2280
$207.50/TB
$1,659.99
newIn Stock
This offer: sold by Newegg Business ยท Amazon says New / Unknown
Price updated
Price accurate as of Oct 6, 2026, 07:06 AM
Buy on Amazon

The WD_Black SN850X 8TB NVMe SSD with Heatsink is a 8TB NVMe-PCIe4 PS5-SSD in new condition. It is in stock at $1,659.99 - $207.50/TB.

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
WD_Black 8TB Officially Licensed Storage Expansion ConsolesNVMe-PCIe4Refurb$213.02$1704.16Buy
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
Samsung SSD 9100 PRO w/Heatsink 8TBNVMe-PCIe5Refurb$280.25$2241.99Buy

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

Model context

Part of the WD line we track.

Quick Verdict

The WD_Black SN850X 8TB NVMe SSD with Heatsink delivers enterprise NVMe performance at $207.50/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 Techโ€”
Sector Sizeโ€”
Workload Ratingโ€”
Warranty5 years
ASINB0D9WTM2TH
Market context

Against every other drive we have an in-stock price for today, this one is cheaper per tb than 40% of them (45 of 113). The cheapest we can currently buy is $109.75/TB; the middle of the market is $182.50/TB.

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 โ†’Cheapest per terabyte, all categories โ†’
How it compares - 8TB NVMe-PCIe4
#1WD_Black SN850X 8TB NVMe SSD with HeatsinkTHIS DRIVE
$190.90/TB
#2WD_Black 8TB Officially Licensed Storage Expansion Consoles
$213.02/TB
#3SanDisk Optimus GX PRO 8TB 850X NVMe Internal Gaming Solid State Drive with
$256.25/TB
#4SanDisk 8TB Optimus GX PRO 8100 PCIe 5.0 NVMe SSD with Heatsink
$275.00/TB

Also appears in

PS5 SSDs
Best-of verdicts
Prime Big Deal Days
Brands
Other pages

Frequently Asked Questions

Yes - it is in stock at $1,659.99, $207.50 per terabyte, as of our last price check. Amazon sets the final price at checkout.

On this site, new means a factory-new unit sold as new, with no renewed, recertified, refurbished or pulled claim in the listing title. The warranty is whatever the listing states; check the serial with the maker after purchase.

The listing's current price divided by its stated capacity (8TB). It is a level for comparing drives today, not a measure of how prices have moved.

Use Case Scenarios

๐Ÿ—„๏ธ
OLTP Database Primary Storage
PostgreSQL, MySQL or Oracle requiring low latency and high IOPS.
โœ“ Excellent fit
NVMe delivers sub-200ฮผs latency vs 5ms for HDD โ€” a 25x improvement that directly reduces query response times. At 1 DWPD verify your daily write volume stays within endurance limits.
๐Ÿค–
AI/ML Training & Inference
GPU server loading training datasets or serving inference at high throughput.
โœ“ 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.
๐Ÿ’พ
Bulk Cold Data Archive
Storing large volumes of infrequently accessed data.
โœ— Not ideal
At ~$208/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 โ€” takes 1-2 minutes, catches most developing issues. Schedule during off-peak.
QuarterlyRun SMART long self-test
smartctl -t long /dev/sdX โ€” 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.