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Silver 3.5 inch SATA hard drive with green circuit board

Seagate

Seagate Exos 7E8 ST4000NM002A 4TB 7200 RPM 256MB 3.5" SATA internal hard drive

SKU CH-A8W6-XDYPG MPN ST4000NM002A

A 4 TB 3.5-inch SATA desktop drive spinning at 7200 RPM with 256 MB cache

  • InterfaceSATA 6.0Gb/s
  • Capacity4TB
  • NAND Flash Memory TypeSLC
  • RPM7200 RPM
  • Cache256MB
  • FeaturesHard Drive

Options 4TB Standard Model

  • 7200 RPM spindle speed delivers fast sequential throughput
  • 256 MB cache absorbs burst workloads for smoother multitasking
  • SATA 6.0 Gb/s interface provides broad host compatibility
  • 4 TB capacity stores large media libraries and backups
  • 5 inch form factor fits standard desktop drive bays

Capacity and purpose

The Seagate Exos 7E8 ST4000NM002A is a 4TB desktop internal hard drive built for continuous operation. It suits servers, NAS enclosures and workstations that need high-capacity bulk storage on a standard SATA interface. The 7200 RPM spindle and 256MB cache deliver consistent throughput for sequential workloads.

Installation checklist

Verify that your system has a free 3.5-inch drive bay and a SATA 6.0Gb/s port with matching data and power cables. Confirm the host controller supports 512e sector format so the full 4000GB capacity is recognised. Ensure adequate airflow around the drive for sustained 7200 RPM operation.

Who should buy and who should not

This drive fits buyers who need reliable, high-capacity magnetic storage for archiving, backups or media libraries. It is not for systems limited to 2.5-inch bays, for laptops, or for workloads demanding the low latency and high IOPS of solid-state storage. Builders requiring hardware encryption or helium-sealed designs should look at other models.

商品特色

  • 7200 RPM spindle speed delivers fast sequential throughput
  • 256 MB cache absorbs burst workloads for smoother multitasking
  • SATA 6.0 Gb/s interface provides broad host compatibility
  • 4 TB capacity stores large media libraries and backups
  • 5 inch form factor fits standard desktop drive bays

商品規格

BrandSeagate
SeriesExos 7E8
ModelST4000NM002A
InterfaceSATA 6.0Gb/s
Capacity4TB
NAND Flash Memory TypeSLC
RPM7200 RPM
Cache256MB
FeaturesHard Drive
Form Factor3.5"
出貨重量0.91 kg
包裝尺寸635 × 356 × 178 mm

其他版本

同系列還有 4 款

同系列產品，記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

Does the drive ship with mounting screws, a SATA cable or any software, or must those be purchased separately?

The drive is supplied in retail or OEM packaging that may vary; mounting screws, a SATA data cable and any management software are not included and must be sourced separately.

Should I choose the 4 TB model with 256 MB cache or a smaller capacity version for a write-intensive NAS?

The 4 TB model provides the full 256 MB cache and 7200 RPM spindle speed, which together sustain higher sequential write throughput than lower-capacity variants in the same series.

What does the 6.0 Gb/s SATA link mean for actual transfer rates inside a desktop PC?

The 6.0 Gb/s interface caps the burst rate at 600 MB/s; sustained reads and writes will be lower and are limited by the 7200 RPM mechanical speed and 256 MB cache.

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