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Silicon Power

Silicon Power Slim S55 120GB 2.5" SATA internal SSD SP120GBSS3S55S25

SKU CH-NE68-MK15F MPN SP120GBSS3S55S25

A 2.5-inch SATA SSD with 120 GB capacity, up to 500 MBps read and 350 MBps write speeds, and a 7 mm slim design for ultrabooks

  • Total capacity120 GB
  • Sequential read speedUp to 500 MB/s
  • Sequential write speedUp to 350 MB/s
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)

Capacity 120GB

  • Faster boot and app launches with sequential read up to 500 MBps
  • Smooth multitasking from random read up to 43000 IOPS
  • Quick file saves with sequential write up to 350 MBps
  • Responsive writes backed by random write up to 24000 IOPS
  • Fits ultrabooks and slim notebooks with 7mm low-profile design

Slim S55 120GB SATA III

The Silicon Power Slim S55 is a 2.5 inch internal solid state drive with a 120GB capacity and a SATA III interface. It uses TLC memory components and a Phison controller to deliver sequential reads up to 500 MBps and writes up to 350 MBps. The 7mm slim design makes it suitable for ultrabooks and ultra-slim notebooks.

Ideal for older laptops and budget desktops

This drive suits users upgrading a SATA-based laptop or desktop where a 2.5 inch bay is available and 120GB meets storage needs. It supports TRIM, garbage collection, NCQ and RAID readiness for mainstream workloads. Builds requiring higher capacities, faster random performance or an M.2 form factor should select a different model.

Fits 7mm bays and standard SATA power

The 7.00mm height fits slim 2.5 inch slots while the 69.85mm by 100.00mm footprint matches standard drive bays. A SATA III 6Gbps connection is required, with backward compatibility to SATA II 3Gbps. No extra cables or mounting hardware are included, so verify your system provides both data and power connectors.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $54.99
Cheaper than about 89% of the 1,994 comparable items (median $180.49).
Total capacity 120 GB
Lower than about 95% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 500 MB/s
Lower than about 90% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $458.25 per TB
Pricier than about 85% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSilicon Power
Product lineSlim S55
Model nameSP120GBSS3S55S25
Total capacity120 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 500 MB/s
Sequential write speedUp to 350 MB/s
Random read (4K)Up to 43,000 IOPS
Random write (4K)Up to 24,000 IOPS
Storage
NAND flash typeTLC
Controller chipPhison
Ports & slots
Interface typeSATA III
Size & build
Form factor2.5 in (6.35 cm)
Overall height7 mm
Overall width69.85 mm
Product depth100 mm
Product weight60g
Shipping weight0.05 kg
Package size168 × 104 × 13 mm
Environment & compliance
Max shock tolerance1500G
Vibration tolerance20G

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