WD Ultrastar DC SN840 Enterprise SSD - 3.84TB

WD Ultrastar DC SN840 Enterprise SSD - 3.84TB

Brand: Western Digital | Category: Enterprise SSDs

SKU: WDS384T2B0C | Part #: WDS384T2B0C | MPN: WDS384T2B0C

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About the WD Ultrastar DC SN840 Enterprise SSD - 3.84TB

The WD Ultrastar DC SN840 Enterprise SSD - 3.84TB from Western Digital is enterprise-grade Enterprise SSDs hardware built for data centers. It features 3.84TB capacity, U.2 form factor, PCIe Gen4 interface, Read: 7,000 MB/s, Write: 4,100 MB/s speed. The WD Ultrastar DC SN840 is a PCIe Gen 3.1 x4 NVMe U.2 enterprise solid-state drive engineered for demanding read-intensive and mixed-use data center workloads. Built on Western Digital's 3D TLC NAND technology and paired with a purpose-built enterprise NVMe controller, the SN840 delivers high sequential throughput and low, consistent latency suited to hyperscale and enterprise storage environments. The 3.84TB capacity point in a standard U.2 15mm form factor enables dense r Available in brand new condition. Western Digital enterprise ssds products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.

Technical Specifications

BrandWestern Digital
CategoryEnterprise SSDs
SKUWDS384T2B0C
Part NumberWDS384T2B0C
ConditionNew
Capacity3.84TB
Form FactorU.2
InterfacePCIe Gen4
SpeedRead: 7,000 MB/s, Write: 4,100 MB/s
ModelDC SN840
Manufacturer Part NumberWDS384T2B0C
Capacity3.84 TB
Form FactorU.2 (2.5-inch, 15mm)
InterfacePCIe Gen 3.1 x4, NVMe 1.3
NAND Technology3D TLC NAND
Sequential Read (Max)6,900 MB/s
Sequential Write (Max)4,100 MB/s
Random Read IOPS (4K)Up to 1,000,000 IOPS
Random Write IOPS (4K)Up to 200,000 IOPS
Endurance (DWPD)1 DWPD
Total Bytes Written (TBW)7,008 TBW
Power Loss ProtectionYes (capacitor-based)
Encryption256-bit AES; TCG Opal 2.0; TCG Enterprise SSC
Operating Temperature0°C to 70°C
Power Consumption (Active Read)Approximately 8.5 W
MTBF2,500,000 hours
Dimensions69.85 mm x 100.45 mm x 15 mm
Operating Vibration5 gRMS, 10–2000 Hz

Frequently Asked Questions about WD Ultrastar DC SN840 Enterprise SSD - 3.84TB

What does the WD Ultrastar DC SN840 Enterprise SSD - 3.84TB do?

At 3.84TB, the WD Ultrastar DC SN840 Enterprise SSD - 3.84TB suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. The PCIe 4.0 x4 interface is supported by major server platforms.

What are the headline specs of the WD Ultrastar DC SN840 Enterprise SSD - 3.84TB?

Key specifications for the WD Ultrastar DC SN840 Enterprise SSD - 3.84TB: capacity 3.84TB; form factor U.2 (15mm); interface PCIe 4.0 x4; new condition; drive media type SSD; storage form factor U.2 (15mm); storage capacity 3.84TB; storage interface PCIe 4.0 x4. Manufacturer part number WDS384T2B0C. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.

Is the WD Ultrastar DC SN840 Enterprise SSD - 3.84TB compatible with my infrastructure?

The WD Ultrastar DC SN840 Enterprise SSD - 3.84TB uses a PCIe 4.0 x4 interface in a U.2 (15mm) form factor. It's compatible with server platforms that expose this interface — typical deployments include Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, and Supermicro SuperServer chassis. For specific vendor part-number compatibility, our team validates against the manufacturer support matrix.