SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25)
SP Silicon Power

SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25)

$374.97 4.6★ (12,287 reviews)

*Price sourced from Amazon.com. Last updated 2026-04-23. Price and availability subject to change.

High Transfer Speeds for Fast Start Up Powered by high quality controller and original synchronous NAND flash, Ace A55 delivers incredibly high transfer speeds that enable short boot time, fast application loading and quick file processing. SLC Cache Technology for Performance Boost and Longer Lifespan The A55 especially applies the ”SLC Cache technology” that allows all data to be written in the SLC portion first and leads to higher peak writing performance. In addition, the technology can reduce write amplification and thus offer better endurance and longer lifespan of the SSD. Free-downloa…

Key Features

  • 3D NAND flash are applied to deliver high transfer speeds
  • Remarkable transfer speeds that enable faster bootup and improved overall system performance. The advanced SLC Cache Technology allows performance boost and longer lifespan
  • 7mm slim design suitable for Ultrabooks and Ultra-slim notebooks.
  • 3-year limited warranty. (Please register your product via SP official website to get the complete manufacturer warranty services, product support and more.)

Full Specifications

UPC886576069678
ASINB0BVLRFFWQ
BrandSP Silicon Power
ColorBlack
Model NameA55
Read Speed500 Megabits Per Second
Form Factor2.5-inch
Item Weight0.11 Pounds
Media Speed500 Megabits Per Second
ManufacturerSP Silicon Power
Model NumberSP004TBSS3A55S25AY
Built-In Media1 x Solid State Drive
Hard-Drive Size4000 GB
Number of Items1

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SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-04-23. Price and availability subject to change.

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