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Seagate Momentus 5400.3 ST940814AS 40GB 5400RPM SATA-150 8MB 2.5' Notebook Hard Drive

Price:

$69.00

SeagateSKU: 50529

Model Number: ST940814AS

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

Seagate Momentus 5400.3 ST940814AS hard drive delivers rich media content with ease from music for your MP3 player to video from your camcorder. This drive is the mainstream laptop drive of choice. It delivers the industry highest capacity in a single, 2.5-inch hard drive. This drive features perpendicular recording technology for maximum capacity and faster, more reliable performance.

ST940814AS Product Overview

Technical Information

Storage Capacity: 40 GB
Platform Supported: PC

Drive Performance

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

Interfaces/Ports

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

Physical Characteristics

Drive Type: Internal
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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