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Micron

Micron 7400 PRO 3.84TB U.3

MTFDKCB3T8TDZ
7400 PROoltpTLC3.84TBNVMe-PCIe4U.3
No current price
REFURBNot available
Price updated
Price accurate as of Oct 31, 2026, 10:19 AM
No current offer

The Micron 7400 PRO 3.84TB U.3 is a 3.84TB NVMe-PCIe4 SSD in used condition. It has no current offer on Amazon. The in-stock alternatives nearest its capacity are listed below.

In stock instead - nearest to 3.84TB

6 in-stock listings · this listing has no current offer on Amazon · ranked by live cost per tb, refreshed about once a day

DriveCapacityCondition$/TBPrice
Kioxia SSD 512GB M.2 2230 30mm NVMe PCIe Gen3 x4 KBG40ZNS512G BG4 Solid St...
Kioxia SSD 512GB M.2 2230 30mm NVMe PCIe Gen3 x4 KBG40ZNS512G BG4 Solid State Drive for Surface Pro Steam Deck Dell HP Lenovo Ultrabook Tablet
0.5TBNEW$209.82$105Buy on Amazon
SK hynix SSD 512GB BC501 M.2 2230 30mm Gen3 x4 NVMe PCIe 3.0 HFM512GDGTNG-87A0A
SKhynix SSD 512GB BC501 M.2 2230 30mm Gen3 x4 NVMe PCIe 3.0 HFM512GDGTNG-87A0A (FW: 80041C00) for Steam Deck, Surface Laptop, Surface Book, Surface Pro, Dell HP Lenovo Ultrabook IoT.
0.5TBREFURB$211.90$106Buy on Amazon
Kioxia SSD 512GB M.2 2230 30mm NVMe PCIe 4.0 Gen 4 x 4 BG5
KIOXIA SSD 512GB M.2 2230 30mm NVMe PCIe 4.0 Gen 4 x 4 BG5 (OEM)
0.5TBNEW$219.98$110Buy on Amazon
Micron 512GB 2500 M.2 2230 PCIe Gen 4.0x4 NVMe SSD Up to 6600 MB/s Compati...
Micron 512GB 2500 M.2 2230 PCIe Gen 4.0x4 NVMe SSD Up to 6600 MB/s Compatible with Steam Deck Surface Ally Mini PCs Laptops
0.5TBREFURB$238.00$119Buy on Amazon
Micron SSD 512GB M.2 2230 30mm NVMe PCIe 4.0 Gen4 x4 MTFDKBK512TFK 2450 Se...
Micron SSD 512GB M.2 2230 30mm NVMe PCIe 4.0 Gen4 x4 MTFDKBK512TFK 2450 Series Solid State Drive for PS5 Dell HP Lenovo Ultrabook Surface Pro Steam Deck
0.5TBREFURB$239.98$120Buy on Amazon
Acer MA200 M.2 2230 SSD NVMe 512GB
Acer MA200 M.2 2230 SSD NVMe 512GB, PCIe Gen 4, Read Speeds Up to 5200 MB/s, Great for Steam Deck, Asus ROG Ally, Microsoft Surface Handheld Gaming Devices Storage Expansion - BL.9BWWA.153
0.5TBNEW$249.98$125Buy on Amazon

Where this listing sits: Micron 3.84TB NVMe — each page is the live ranking for that slice of the catalogue.

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

This is a refurbished or recertified listing

Recertified enterprise drives are pulled from datacentre fleets, tested and resold. They are usually the cheapest route to bulk capacity, and the risk is concentrated in the first weeks - so check SMART data the day it arrives rather than the day you need it. What recertified means · Refurbished warranty terms · Verify on arrival

Same capacity, other options
DriveInterfaceCond$/TBPrice
Dell 3.84TB SAS SSD Read Intensive 12GSAS-12GRefurb$208.33$799.99Buy on Amazon
Samsung PM9A3 3.84TB M.2 NVMeNVMe-PCIe4New$466.15$1790.00Buy on Amazon
Micron 7450 PRO 3.84TB U.3NVMe-PCIe4Refurb$518.23$1990.00Buy on Amazon
Micron 7600 PRO 3.84TB U.2 PCIe5NVMe-PCIe5New$676.82$2599.00Buy on Amazon
Model context

Part of the Micron line we track.

Quick Verdict

The Micron 7400 PRO 3.84TB U.3 delivers enterprise NVMe performance. Suited to read-intensive cloud workloads and mixed enterprise applications. Verify U.2/U.3 backplane compatibility before ordering.

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Specifications

Capacity3.84TB
Form FactorU.3
InterfaceNVMe-PCIe4
Recording TechTLCnot sourced
Sector Size—
Workload Rating—
DWPD1
TBW7008TB
Warranty5 years
ASINB09JM7LRCS
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 3.84TB drive we track →Cheapest per terabyte, all categories →Category price trends →
How it compares - 3.84TB NVMe-PCIe4
#1Samsung PM9A3 3.84TB M.2 NVMe
$466.15/TB
#2Micron 7450 PRO 3.84TB U.3
$518.23/TB
#3Micron 7400 PRO 3.84TB U.3THIS DRIVE
Out of stock

Also appears in

Enterprise SSDs
Other pages

Frequently Asked Questions

Not right now: Amazon shows no current offer for ASIN B09JM7LRCS. The in-stock alternatives nearest its 3.84TB capacity are on this page, ranked by live price.

Amazon reports this listing (MTFDKCB3T8TDZ) as used, and its title makes no renewed or recertified claim, so the unit's origin is whatever the seller's note says - shown beside the price. The stored warranty on this row is 5 years, as the listing states it.

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 ~$183/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.