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Crucial M4 256GB SATA III 2.5"

★★★★☆ 4.4 (4)
Capacity 256GB
Form Factor 2.5"
Interface SATA III
Read Speed 500 MB/s
NAND MLC
Crucial M4 256GB SATA III 2.5" ssd
21 Overall Score

No current retailer price

Snapshot

Pros & Cons

Pros

  • Strong affordability (90th percentile) 90th
  • Strong feature (72nd percentile) 72nd

Cons

  • Below average speed (4th percentile)
  • Below average social proof (14th percentile)
  • Below average capacity (18th percentile)
  • Below average endurance (30th percentile)

The proof

Performance

Performance Percentiles

Speed 3.5
Random 37.3
Feature 71.5
Capacity 17.8
Endurance 30.1
Social Proof 13.7
Affordability 89.7

Specifications

Full Specifications

Drive

Capacity 256
Form Factor 2.5"
Interface SATA III
Protocol SATA
External No

Performance

Sequential Read (MB/s) 500
Sequential Write (MB/s) 260
Random Read (IOPS) 45000
Random Write (IOPS) 50000

Hardware

NAND MLC
Controller Marvell

Reliability

MTBF (hours) 1200000

vs Competition

Spec Crucial M4 MSI SPATIUM M480 PRO Corsair MP700 Elite Samsung 990 EVO Western Digital WD Blue SN5100 Kingston KC3000
Capacity 256GB 1TB 1TB 2TB 1TB 1TB
Form Factor 2.5" M.2 2280 M.2 2280 M.2 2280 M.2 2280 M.2 2280
Interface SATA III PCIe 4.0 x4 PCIe 5.0 x4 PCIe 4.0 x4 PCIe 4.0 x4 PCIe 4.0 x4
Seq Read 500 MB/s 7,400 MB/s 10,000 MB/s 5,000 MB/s 7,100 MB/s 7,000 MB/s
Nand Type MLC TLC TLC TLC TLC TLC
Dram Cache - true false false false true
Endurance - 3000 TBW 600 TBW 1200 TBW 600 TBW 800 TBW
Compare Compare Compare Compare Compare
Product SpeedRandomFeatureCapacityEnduranceSocial ProofAffordability
Crucial M4 3.537.371.517.830.113.789.7
MSI SPATIUM M480 PRO Compare 93.98193.955.498.695.343.9
Corsair MP700 Elite Compare 95.19785.655.487.395.343.9
Samsung 990 EVO Compare 72.490.578.578.582.995.355.2
Western Digital WD Blue SN5100 Compare 8795.778.555.488.195.354.7
Kingston KC3000 Compare 81.493.293.955.49387.141.5

Price

Value & Pricing

We started tracking prices for this product on Nov 8, 2026. The chart appears once we have more data.

Usage Scores

Overall (21.1)Budget (59.7)Gaming (13.4)Laptop (16.7)Console (5.6)Portable (3.5)Workstation (23.4)
  • Overall21.1
  • Budget59.7
  • Gaming13.4
  • Laptop16.7
  • Console5.6
  • Portable3.5
  • Workstation23.4

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

Other Configurations1

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