400-AUQO: Dell 600GB 15K RPM SAS 12Gb/s 512n 3.5in Hybrid Hot-Plug Hard Drive
Also listed as: 085M9K, 85M9K, ST600MP0006, AL14SXB60EN · made by Seagate
The Dell 400-AUQO is a Dell 600GB 15K RPM SAS 12Gb/s 512n 3.5in Hybrid Hot-Plug Hard Drive delivering 600GB of rotational storage at 15000 rpm over SAS 12Gb/s in a LFF 3.5in (2.5in in Hybrid Caddy) carrier. Manufactured by Seagate, the 400-AUQO provides dependable bulk storage for Dell R730, R740XD, MD1200, MD1400 enterprise servers.
Specifications
| Part number | 400-AUQO |
|---|---|
| Brand | Dell |
| Made by | Seagate |
| Type | Hard drives |
| Other numbers | 085M9K, 85M9K, ST600MP0006, AL14SXB60EN |
| Status | end of sale |
| Capacity (GB) | 600 |
| Interface | SAS 12Gb/s |
| Form factor | LFF 3.5in (2.5in in Hybrid Caddy) |
| Speed | 15000 rpm |
| Endurance | Enterprise Mission Critical Workload |
About the 400-AUQO
The Dell 400-AUQO is a Dell 600GB 15K RPM SAS 12Gb/s 512n 3.5in Hybrid Hot-Plug Hard Drive offering 600GB of rotational enterprise storage operating at 15000 rpm over SAS 12Gb/s in a LFF 3.5in (2.5in in Hybrid Caddy) format. Built with multi-platter mechanical assemblies from Seagate, the 400-AUQO provides dependable sequential throughput and 24/7 duty-cycle durability. In Dell's storage portfolio, 400-AUQO delivers economical storage capacity for secondary storage tiers, backup targets, and media streaming pools.
Compatibility
The 400-AUQO consists of a 2.5-inch 15000 rpm SAS drive pre-mounted inside a factory 3.5-inch hybrid carrier, allowing 3.5-inch LFF servers like R730, R740XD, MD1200, MD1400 to utilize high-speed rotational disks. The 400-AUQO connects to SAS-capable PERC controllers over SAS 12Gb/s with full rotational monitoring.
How to identify a genuine unit
Genuine 400-AUQO units feature a Dell enterprise drive label displaying DP/N 085M9K, 600GB capacity, 15000 rpm rotational speed, and Seagate model markings ST600MP0006. In iDRAC under Physical Disks, the 400-AUQO registers with certified Dell firmware, active SMART diagnostics, and spindle temperature monitoring. The 3.5-inch hybrid carrier carrier for 400-AUQO includes status and activity indicator light pipes.
Buying used
When evaluating a pre-owned 400-AUQO, check SMART logs via OpenManage or smartctl to verify zero reallocated sectors (attribute 0x05) and zero pending defects (attribute 0xC5). Check power-on hours and execute an extended drive self-test on the 400-AUQO to verify smooth bearing rotation without head-parking noise. Ensure the correct 3.5-inch hybrid carrier caddy is supplied with the 400-AUQO.
Fits these models
Check compatibility with Dell
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Dell has tested with the Dell 400-AUQO.
- Compatibility Dell E-Lab Navigator (storage and SAN interoperability) (free vendor sign-in)
- Support Dell Support: drivers, manuals and service tag lookup
Equivalent part numbers
- Seagate ST600MP0006 Seagate Enterprise Performance 15K 600GB SAS HDD OEM base
Buying or selling 400-AUQO?
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 PowerEdge R730 Hard Drive Specifications, checked 2026-10-27