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Silver 2.5-inch rectangular SSD with label and SATA connectors

Crucial Refurbished

Crucial M4 CT512M4SSD1 512GB 2.5" SATA internal SSD

SKU CH-JQYN-1YWNK MPN CT512M4SSD1

A 2.5-inch SATA internal SSD with 512GB of MLC storage, 7mm height, up to 500MBps read and 260MBps write speeds, plus 45,000 random read IOPS and 50,000 random write IOPS

  • Total capacity512 GB
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product type7 mm Internal Solid State Drive (SSD)
  • Intended useConsumer
  • NAND flash typeMLC
  • Fits slim laptops with 7mm height
  • 512GB MLC storage for large libraries
  • Sequential read up to 500MBps speeds boot
  • 45,000 random read IOPS accelerates apps
  • 1,200,000 hours MTBF ensures endurance

Refurbished 512 GB SATA SSD for consumer laptops

This manufacturer-recertified Crucial M4 drive brings 512 GB of MLC storage to thin laptops and desktops that use a 2.5 inch SATA bay. The 7 mm height fits modern ultraportables without adapters. Sequential reads reach 500 MBps and writes reach 260 MBps on a SATA III link. Random performance hits 45000 read IOPS and 50000 write IOPS.

Solid build with standard SATA connectors

The drive uses a single Marvell controller with eight channels and includes SMART monitoring, EDC/ECC error correction and RAID support. Idle power stays below 100 mW and active power is 0.28 W. Operating temperature spans 0°C to 70°C while storage tolerance reaches -40°C to 85°C. MTBF is rated at 1200000 hours. The SATA data and power connectors are the same ones found on any 2.5 inch drive.

Check your system before ordering

Verify the machine has a free 2.5 inch bay that accepts a 7 mm drive and a SATA III port for full speed. Confirm the BIOS or UEFI recognises SATA SSDs and that no hardware RAID controller blocks the device. Ensure the operating system supports TRIM or an equivalent maintenance command for sustained performance.

How it compares

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

Price $215.99
Pricier than about 57% of the 1,994 comparable items (median $180.49).
Total capacity 512 GB
Lower than about 60% of the 1,368 comparable items (median 1 TB).
Price per TB $421.86 per TB
Pricier than about 83% 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 nameCrucial
Product lineM4
Model nameCT512M4SSD1
Total capacity512 GB
Product type7 mm Internal Solid State Drive (SSD)
Intended useConsumer
Performance
Sustained sequential read rateUp to 500 MB/s (SATA 6Gbs)
Sustained sequential write rateUp to 260 MB/s (SATA 6 Gbit/s)
Random read (4K)Up to 45,000 IOPS
Random write (4K)Up to 50,000 IOPS
Storage
NAND flash typeMLC
Controller chipMarvell
Ports & slots
Interface typeSATA III
Power
Idle power draw< 100 mW
Active power draw0.28 W
Size & build
Form factor2.5 in (6.35 cm)
Overall height7 mm
Overall width69.85 mm
Product depth100.5 mm
Product weight73g
Shipping weight0.02 kg
Package size107 × 71 × 13 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-40 °C to 85 °C
Max shock tolerance1500G
Manufacturer recertifiedYes
More details
Mean time between failures1,200,000 h

Questions about this item

What speed does the SATA III interface limit this CT512M4SSD1 to in practice?

The SATA III link caps sequential throughput at 6 Gbps, so the drive delivers up to 500MBps reads and 260MBps writes in sustained transfers.

What physical space does the 7mm 2.5-inch CT512M4SSD1 need to fit?

It fits any standard 2.5-inch drive bay or caddy that accepts a 7mm height; the drive itself is 7mm thick.

How is the CT512M4SSD1 installed and what step do people often miss?

Connect the SATA data and power cables, secure the drive in the bay, then initialise and format the new volume in the operating system before use.

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