400-BDSD: Dell 3.84TB SAS Read Intensive 12Gb/s 2.5-inch Hot-Plug SSD
Also listed as: 08N2X9, 8N2X9, MZ-ILT3T8B, PM1643A · made by Samsung
The Dell 400-BDSD is a Dell 3.84TB SAS Read Intensive 12Gb/s 2.5-inch Hot-Plug SSD offering 3840GB of flash storage over SAS 12Gb/s in a 2.5-inch in 14G/15G/16G hot-swap drive carrier hot-plug form factor. Built with Samsung NAND and rated for Read Intensive, 1 DWPD, the 400-BDSD provides responsive storage performance for Dell R740, R640, R750, R650 servers.
Specifications
| Part number | 400-BDSD |
|---|---|
| Brand | Dell |
| Made by | Samsung |
| Type | SSDs |
| Other numbers | 08N2X9, 8N2X9, MZ-ILT3T8B, PM1643A |
| Status | current |
| Capacity (GB) | 3,840 |
| Interface | SAS 12Gb/s |
| Form factor | 2.5-inch in 14G/15G/16G hot-swap drive carrier |
| Endurance | Read Intensive, 1 DWPD |
About the 400-BDSD
The Dell 400-BDSD is a Dell 3.84TB SAS Read Intensive 12Gb/s 2.5-inch Hot-Plug SSD providing 3840GB of enterprise solid-state storage across a SAS 12Gb/s interface in an enterprise 2.5-inch in 14G/15G/16G hot-swap drive carrier format. Built with Samsung enterprise NAND flash memory, the 400-BDSD is rated for Read Intensive, 1 DWPD workloads, delivering low access latencies and consistent I/O throughput. In Dell's storage portfolio, 400-BDSD serves as a high-speed storage tier for transaction processing, database indexing, and virtualization clusters.
Compatibility
The 400-BDSD installs into 2.5-inch hot-plug drive bays across Dell enterprise servers including R740, R640, R750, R650. The 400-BDSD mounts inside a DXD9H (14G–16G) 2.5-inch hot-plug drive carrier with status and activity LEDs. Drive communication for the 400-BDSD requires a compatible storage controller (PERC hardware RAID or HBA controller) supporting SAS 12Gb/s protocol communication. Part 400-BDSD is designed for 2.5-inch backplanes and is not compatible with 3.5-inch bays without an approved adapter bracket.
How to identify a genuine unit
Authentic Dell enterprise solid-state drives display a silver-and-white label showing DP/N 08N2X9, 3840GB capacity, SAS 12Gb/s branding, and Samsung factory model MZ-ILT3T8B. In iDRAC under Physical Disks, the 400-BDSD enumerates with certified Dell firmware revision, negotiated bus link speed, temperature telemetry, and real-time wear-out percentage monitoring.
Buying used
When sourcing a pre-owned 400-BDSD, check SMART endurance indicators using Dell OpenManage or smartctl to confirm remaining flash life, total bytes written, and zero reallocated flash blocks. Run a short and extended drive self-test on the 400-BDSD to verify interface stability without bus reset events. Confirm that the 2.5-inch drive tray on the 400-BDSD is straight with an intact release latch mechanism.
Fits these models
- Dell PowerEdge R740
- Dell PowerEdge R640
- Dell PowerEdge R750
- Dell PowerEdge R650
- Dell PowerEdge R760
- Dell PowerEdge R660
Equivalent part numbers
- Samsung PM1643a Samsung PM1643a 3.84TB enterprise SAS SSD
FAQ
What is the endurance rating of the 400-BDSD?
1 Drive Write Per Day (DWPD), equating to approximately 7 PB total bytes written.
Can this drive be used in a Dell PowerVault ME4024 or ME5024?
Yes, with the appropriate PowerVault storage firmware, this 3.84TB SAS drive is fully supported.
Buying or selling 400-BDSD?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Dell 3.84TB SAS SSD Product Details, checked 2026-10-27