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400-ASHY
4TB 7.2K RPM NLSAS 12Gbps 512n 3.5 Inches Hot-plug Hard Driv...
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.

Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
400-ASHY is a high-performance HDD engineered for demanding environments. This 3.5-inch drive uses a SATA III interface and spins at 7200 RPM, delivering a 4 TB capacity paired with a 256 MB cache. It is designed to handle an annual workload rating of 300 TB/yr with a robust MTBF, ensuring a rated reliability of 1,000,000 hours per year. Its power efficiency is demonstrated by low consumption during read/write and idle operations.
Optimized for diverse use cases including data centers, desktops, NAS, and surveillance systems, 400-ASHY incorporates advanced features such as helium-sealed technology, integrated vibration protection, and a dual actuator mechanism. These features, combined with its desktop/server-oriented design, make it an ideal solution for organizations demanding stringent performance and reliability.
400-ASHY price is $354.00. 400-ASHY is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 400-ASHY for additional pricing. Browse the full Dell Hard Drives & Ssds series or explore all Dell products.
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| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 4 TB | 4 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 128 MB | 128 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 180 TB/yr | 180 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8.5 W | 9.0 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 5.5 W | 5.5 Watts |
| Encryption Support | AES 256-bit | No | AES 256-bit | No |
| Helium Sealed | Helium-Sealed | No | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes |
| Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–55°C | 5–60°C |
| Product Name | 400-ASHY | 400-BDNH | 400-BHIY | 400-BDSY |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 5.79 inches | 5.79 inches | 4.00 inches | 4.00 inches |
| Depth | 4.00 inches | 4.00 inches | 5.78 inches | 5.78 inches |
| Weight | 2.5 lbs | 2.2 lbs | 1.8 lbs | 1.8 lbs |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Drive performs reliably in RAID arrays.
Consistent read write speeds.
Good choice for bulk storage.
No SMART errors reported.
Stable enterprise disk.
The 400-ASHY provides 4TB of raw storage capacity.
The 400-ASHY uses a 12Gbps Near Line SAS (NLSAS) interface.
It is a 3.5-inch form factor drive compatible with standard server enclosures.
Yes, the 400-ASHY supports hot-plug operations for easy maintenance and replacement.
The drive spins at 7,200 RPM, balancing performance and power consumption.
It delivers up to 12Gbps sequential throughput over the SAS interface.
Yes, it is fully compatible with SAS-3 (12Gbps) controllers and backplanes.
Yes, the 400-ASHY uses 512-byte native (512n) sector format.
Ideal for enterprise nearline storage, backup and archive applications, and large-scale data warehouses.
Insert the drive into a compatible 3.5-inch SAS bay, secure it, and ensure the SAS cable is connected.
This drive features a Mean Time Between Failures (MTBF) of 2 million hours.
It consumes approximately 6W idle and up to 9W during read/write operations.
Rated for an operating temperature range of 5°C to 60°C (41°F to 140°F).
The 400-ASHY includes a 5-year limited warranty.
No additional cooling is required beyond standard server airflow specifications.
Verify the SAS cable is seated correctly, update controller firmware, and check drive health with your system management utility.