# Seagate 1TB Constellation SAS 6Gb/s 64MB Cache 2.5-Inch Internal Bare Drive 

- Category: Storage
- Brand: Seagate
- Model: 8W8081
- Part number: ST91000640SS
- Price (US): $76.99
- Price last checked: 2026-08-06
- Rating: 4.5/5 from 96 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/storage/seagate-8w8081-st91000640ss/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Seagate |
| Model | 8W8081 |
| Maximum Capacity | 1 TB |
| Form Factor | 2.5" (HDD) |
| Cache Memory | 64 MB |
| Interface | SATA 6 Gb/s |

## Key Features

- Storage-hungry business applications
- Storage area networks (SAN) and network attached storage (NAS)
- Maximum-capacity servers and blade servers

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