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Seagate Momentus 5400 PSD ST9808212AS 80GB 5400RPM SATA-150 2.5" HYBRID Hard Drive

Price:

$49.00

SeagateSKU: 54612

Model Number: ST9808212AS

Condition: OEM Bulk

In stock: Yes

Quantity:

Get Volume Pricing

For Volume / Bulk Purchase Discounts Available

Shop with confidence! Saitech Inc is an authorized Seagate Partner Reseller.

Learn more by visiting the manufacturer's website.

Overview

The Momentus 5400 PSD drive is a 2.5-inch drive designed with the Microsoft Vista OS in mind. By designing in a 256-MB flash memory to act as a large holding tank for frequently accessed data, the Momentus 5400 PSD drive will boot laptop PCs quickly and resume from hibernation almost instantly. The Momentus 5400 PSD drive and Windows Vista can analyze the laptop usage pattern, pin frequently used files in the flash and predict your next move. This technology allows the drive to operate out of flash with the disks spun down to conserve power. When the Momentus 5400 PSD drive operates out of the flash with the spindle motor powered off (hybrid mode), the drive becomes incredibly robust in highly mobile environments.

ST9808212AS Specifications

Technical Information

Storage Capacity: 80 GB
Platform Supported: PC

Drive Performance

Maximum External Data Transfer Rate: 150 MBps (1.2 Gbps)
Maximum Internal Data Transfer Rate: 44 MBps (352 Mbps)
Rotational Speed: 5400 rpm
Buffer: 8 MB

Interfaces/Ports

Drive Interface: SATA/150
SATA Pin: 7-pin

Physical Characteristics

Form Factor: Plug-in Module
Drive Width: 2.5"
Height: 0.4"
Width: 0.3"
Depth: 4.0"
Weight (Approximate): 3.39 oz

Warranty

Limited Warranty: 1 Year

Product information, pricing, availability, images or discounts are subject to change without notice and may not always reflect the most current details. In the event of pricing or availability discrepancies, we reserve the right to cancel or adjust orders. Customers will be notified and may choose to proceed or cancel.

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As a dark matter researcher building a university-grade dual-node system at home, I sourced an RTX Pro6000 Blackwell GPU from eSaitech—paired with i9-14900Ks, 128GB RAM per node, 20TB of NVMe across 4/4/8/4TB partitions, and Ubuntu 24.04. The build was flawless—until I accidentally charged the $8,000 GPU to my checking account via PayPal instead of the intended credit card. That misstep triggered a cascade of issues across PayPal, my bank, and eSaitech’s Shopify backend. Enter MaryLou from eSaitech customer service. She didn’t just help—she orchestrated a full recovery: coordinating RMA and accounting to reverse the charge, reprocess it correctly, and clear the default with PayPal. I was stunned. This wasn’t just good service—it was spectacular. From a company I’d never worked with, and to whom I technically owed money. The GPU arrived fast, at the lowest price I could find anywhere. But it’s the integrity and responsiveness of their team that truly impressed me. I don’t even know how to thank them properly. If you’re sourcing high-end components and value not just price but people, eSaitech earns my highest recommendation. Note my system below -

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