Crucial 128GB m4 CT128M4SSD2 Leaflet

®

Continuing the tradition of our award-winning solid-state drives, the Crucial m4 offers mobile and desktop users scorching-
fast read and write speeds. Low power, lightweight, and durable, it empowers high-speed synchronous MLC NAND, advanced 
controller technology, optimized NAND management, and the SATA 6Gb/s interface. Together, that technology dramatically 
improves data transfers for bandwidth-demanding applications.

Our products are built on decades of design and manufacturing expertise. It is our expertise in NAND technology that enables 
us to optimize the performance and endurance necessary to build quality solid-state storage devices.

Capacity* (Unformatted)

64GB*

128GB*

256GB*

512GB*

NAND

Micron

®

 MLC

Micron

®

 MLC

Micron

®

 MLC

Micron

®

 MLC

Controller

Integrated 8-channel single chip

Integrated 8-channel single chip

Integrated 8-channel single chip

Integrated 8-channel single chip

Firmware

Field Upgradeable 

Field Upgradeable 

Field Upgradeable 

Field Upgradeable

RAID Support

Yes

Yes

Yes

Yes

Interface

SATA

SATA

SATA

SATA

Transfer Rate

6Gb/sec (compatible 3Gb/sec)

6Gb/sec (compatible 3Gb/sec)

6Gb/sec (compatible 3Gb/sec)

6Gb/sec (compatible 3Gb/sec)

2.5-inch SSD Power Supply

5 V

5 V

5 V

5 V

Certifications

FCC, CE, RoHS, UL

FCC, CE, RoHS, UL

FCC, CE, RoHS, UL

FCC, CE, RoHS, UL

Command Set

ATA-8 ACS2 command set compliant

ATA-8 ACS2 command set compliant

ATA-8 ACS2 command set compliant

ATA-8 ACS2 command set compliant

Monitoring

Self-monitoring, analysis, and 

reporting technology (SMART) 

command set

Self-monitoring, analysis, and 

reporting technology (SMART) 

command set

Self-monitoring, analysis, and 

reporting technology (SMART) 

command set

Self-monitoring, analysis, and 

reporting technology (SMART) 

command set

Average Access Time

< .1 ms

< .1 ms

< .1 ms

< .1 ms

Sequential Read (up to

)

415 MB/sec (SATA 6Gb/s)

415 MB/sec (SATA 6Gb/s)

415 MB/sec (SATA 6Gb/s)

415 MB/sec (SATA 6Gb/s)

Sequential Write (up to)

95 MB/sec (SATA 6Gb/s)

175 MB/sec (SATA 6Gb/s)

260 MB/sec (SATA 6Gb/s)

260 MB/sec (SATA 6Gb/s)

Random 4k READ

40,000 IOPS

40,000 IOPS

40,000 IOPS

40,000 IOPS

Random 4k WRITE

20,000 IOPS

35,000 IOPS

50,000 IOPS

50,000 IOPS

PCMark® Vantage

55K HDD test score

55K HDD test score

65K HDD test score

65K HDD test score

2.5-inch SSD dimensions 
(L x W x H)

100.5 x 69.85 x 9.50 mm

100.5 x 69.85 x 9.50 mm

100.5 x 69.85 x 9.50 mm

100.5 x 69.85 x 9.50 mm

2.5-inch SSD weight

75g

75g

75g

75g

Active Average Power

150 mW

150 mW

160 mW

280 mW

Idle Average Power 

<65 mW

<85 mW

<85 mW

<100 mW

Operating Temperature

0°C to 70°C

0°C to 70°C

0°C to 70°C

0°C to 70°C

Non-Operating Temperature

-40°C to 85°C

-40°C to 85°C

-40°C to 85°C

-40°C to 85°C

Shock Resistance

1500G / 1.0ms

1500G / 1.0ms

1500G / 1.0ms

1500G / 1.0ms

Vibration Resistance

2-500Hz at 3.1G

2-500Hz at 3.1G

2-500Hz at 3.1G

2-500Hz at 3.1G

MTBF

2

1.2 Million Hours

1.2 Million Hours

1.2 Million Hours

1.2 Million Hours

Data Reliability

Built-in EDC/ECC

Built-in EDC/ECC

Built-in EDC/ECC

Built-in EDC/ECC

Drive Endurance

36TB=20GB per day for 5 years

72TB=40GB per day for 5 years

72TB=40GB per day for 5 years

72TB=40GB per day for 5 years

Warranty

Limited 3 Year Warranty

Limited 3 Year Warranty

Limited 3 Year Warranty

Limited 3 Year Warranty

*Some of the listed storage capacity is used for formatting and other purposes and is not available for data storage. 1GB equals 1 billion bytes. 

1

Typical I/O performance numbers as measured using Iometer with a queue depth of 32 and write cache enabled. Iometer measurements are performed on a 8GB span. 4k transfers used for Read/Write

  latency values. System variations may affect measured results. 

2

Sequential READ/WRITE speeds are Iometer HDD test suite scores.