Seagate Momentus 640 GB
Category: Storage
Manufacturer: Seagate
Type: HDD
Interface: SATA
Capacity: 640
Read: 550 MB/s
Price: $67.23 from Amazon
Seagate Momentus 640 GB
Type
HDD
Interface
SATA
Capacity
640
Read
550 MB/s
Best price from Amazon
$67.23
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Overview
A 640GB 2.5" HDD on the SATA interface. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes, backed by 8MB of cache. At roughly $0.11 per gigabyte it sits in the mid-range tier. SATA throughput caps near 550 MB/s — fine for game libraries and backups, slower for heavy scratch work.
At $67.23 it sits in the mid-range drive bracket. Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current drive prices across retailers. Support and warranty service run through Seagate, with terms that vary by region. Every published spec is tabulated below, and compatibility against your current part list is checked automatically.
| Specification | Value |
|---|---|
| Type | HDD |
| Cache | 8 |
| Capacity | 640 |
| Interface | SATA |
| Read Speed | 550 MB/s |
| Form Factor | 2.5" |
| Write Speed | 520 MB/s |
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