Toshiba X300 Pro 18 TB
Category: Storage
Manufacturer: Toshiba
Type: HDD
Interface: SATA
Capacity: 18000
Read: 550 MB/s
Price: $911.90 from Newegg

Toshiba X300 Pro 18 TB
Type
HDD
Interface
SATA
Capacity
18000
Read
550 MB/s
Best price from Newegg
$911.90
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Overview
A 18000GB 3.5" HDD on the SATA interface. At roughly $0.05 per gigabyte it sits in the premium tier. Sequential throughput reaches 550 MB/s reads and 520 MB/s writes, backed by 512MB of cache. SATA throughput caps near 550 MB/s — fine for game libraries and backups, slower for heavy scratch work.
Its $911.90 price tag places it squarely in premium territory. PlanMyPC's builder flags compatibility problems automatically and tracks the latest drive deals from multiple stores. Toshiba backs the product through its standard warranty channels; check the listing for region-specific terms. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.
| Specification | Value |
|---|---|
| Type | HDD |
| Cache | 512 |
| Capacity | 18,000 |
| Interface | SATA |
| Read Speed | 550 MB/s |
| Form Factor | 3.5" |
| Write Speed | 520 MB/s |





