DatacenterDisk
Samsung

PM9A3 3.84TB U.2 NVMe

MZQL23T8HCLS
PM9A3oltpTLC3.84TBNVMe-PCIe4U.2
$25.52/TB
$97.99
newIn Stock
Updated Mar 25, 2026, 05:51 AM
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Quick Verdict

The Samsung PM9A3 3.84TB U.2 NVMe delivers enterprise NVMe performance at $25.52/TB. Suited to read-intensive cloud workloads and mixed enterprise applications. Verify U.2/U.3 backplane compatibility before ordering.

Specifications

Capacity3.84TB
Form FactorU.2
InterfaceNVMe-PCIe4
Recording TechTLC
Sector Size—
Workload Rating—
DWPD1
TBW7008TB
Warranty5 years
ASINB09GBGDMJN

90-Day Price History

$24$101$17803/2304/2906/04
How it compares - 3.84TB NVMe-PCIe4
#1Samsung PM9A3 3.84TB U.2 NVMeTHIS DRIVE
$25.52/TB
#2Samsung PM9A3 3.84TB E1.S NVMe
$138.02/TB
#3Samsung PM9A3 3.84TB U.2 NVMe
$166.41/TB
#4Samsung PM9A3 3.84TB U.2 NVMe
$169.01/TB
#5Samsung PM9A3 3.84TB U.2 NVMe
$169.01/TB

Compare to similar 3.84TB NVMe-PCIe4 drives

Samsung
PM9A3 3.84TB E1.S NVMe
$138.02/TB
$530.00
new
Samsung
PM9A3 3.84TB U.2 NVMe
$166.41/TB
$639.00
new
Samsung
PM9A3 3.84TB U.2 NVMe
$169.01/TB
$649.00
new
Samsung
PM9A3 3.84TB U.2 NVMe
$169.01/TB
$649.00
new
Micron
7400 PRO 3.84TB U.3
$194.01/TB
$749.00
new

Frequently Asked Questions

The PM9A3 3.84TB U.2 NVMe is designed for mixed enterprise workloads including virtualization, databases and analytics. Rated 1 DWPD endurance.

The PM9A3 3.84TB U.2 NVMe uses a U.2 form factor with NVMe-PCIe4 interface. Compatible with servers featuring U.2 or U.3 backplanes including Dell PowerEdge, HPE ProLiant Gen10+, and Supermicro with appropriate NVMe backplane.

1 DWPD means you can write the full 3.84TB capacity 1 time(s) per day over the 5-year warranty period, totaling approximately 7008TB written.

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. Consider multiple drives for larger datasets.
💾
Bulk Cold Data Archive
Storing large volumes of infrequently accessed data.
✗ Not ideal
At ~$26/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 installUpdate drive firmware
Check manufacturer website for latest firmware. Enterprise SSDs receive updates that fix performance and reliability issues.
On installEnable power loss protection verification
Enterprise NVMe drives have onboard capacitors for power loss protection. Verify in drive logs after first power cycle.
MonthlyCheck SMART/NVMe health attributes
Run nvme smart-log /dev/nvme0 (Linux). Monitor: Media_Errors, Available_Spare, Percentage_Used.
MonthlyMonitor write endurance consumption
Track Percentage_Used SMART attribute. At 80%+ consider planning replacement. At 3.84TB and 1 DWPD you have 7,176,192GB lifetime writes.
QuarterlyReview error logs in server BMC
Check iDRAC, iLO or IPMI logs for NVMe errors, PCIe link speed downgrades, or unexpected resets.

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.