Panasonic UJ-840 / 397337-1C0 / 430907-001 Internal Black DVD±RW Super Multi Drive

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Overview

Panasonic UJ-840 DVD RW DL Multi Recorder Drive

UJ-840 Product Overview

Technical Information

Maximum CD Read Speed: 24x
Maximum CD Write Speed: 24x
Maximum CD Rewrite Speed: 16x
Maximum DVD Read Speed: 8x
Maximum DVD Write Speed: 8x
Maximum DVD Rewrite Speed: 4x
Buffer: 2 MB
Optical Media Supported:
Media Layer Supported: Double-layer

Interfaces/Ports

Drive Interface: IDE

Physical Characteristics

Form Factor: Internal
Compatible Drive Bay Width: 5.25"
Height: 0.5"
Width: 5.0"
Depth: 5.1"

Miscellaneous

Additional Information:
DVD-RAM Write Speed: 5x

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.

85%

(3625)

15%

(649)

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Trusted seller

The website provided detailed information, and I received a brand new PNY version RTX Pro 6000 at a reasonable price. Shipping was fast. My only suggestion is to confirm the customs clearance agency with the customer before exporting to Canada to avoid delays. Overall, shopping here is trustworthy.

Fast and easy transaction! Will buy from them again!

Although the product itself was unsucc6for our purposes, the customer uce was exceptional. I would gladly go business with this company again.

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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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