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HP EX900 vs. HP EX920

HP currently has two similar M.2 2280 solid state drives available with the EX900 and EX920. You can check out this comparison guide to see what the major differences are between these internal Hewlett-Packard SSDs.

Quick Summary

The HP EX920 is significantly faster than the HP EX900 when it comes to maximum sequential reading, maximum random reading and maximum random writing.

For maximum sequential writing, the 250 GB EX900 is slightly faster than the 256 GB EX920. On the other hand, the 512 GB EX920 is slightly faster than the 500 GB EX900 at maximum sequential writes.

The HP EX900 also has a better warranty coverage when compared to the EX920.

Both of these internal drives have the same reliability rating, temperature ranges, vibration resistance and shock resistance.

Overall, we recommend getting the EX920 over the EX900 due to the better speeds and warranty coverage.

If you are interested, you can purchase either of the aforementioned solid state drives on Amazon with the following links:

You can also see how the HP EX900 compares to the HP EX900 Pro with this link.

EX900 vs. EX920 Comparison Chart

You can take a look at Seeking Tech’s comparison table for the EX900 and EX920 below.

 HP EX900 M.2 2280 PCIe Solid State DriveHP EX920 M.2 2280 PCIe Solid State Drive
Capacity Options120 GB

250 GB

500 GB
256 GB

512 GB

1 TB

2 TB
Physical Dimensions80.0 mm x 22.0 mm x 2.4 mm80.0 mm x 22.0 mm x 3.5 mm
WeightUp to 5.4 gramsUp to 5.4 grams
Interface/ProtocolPCIe Gen 3(8 Gb/s) x 4, NVMe 1.3PCIe Gen 3(8 Gb/s) x 4, NVMe 1.3
Maximum Sequential Read Speed120 GB HP EX900: Up to 1900 MB per second

250 GB HP EX900: Up to 2100 MB per second

500 GB HP EX900: Up to 2100 MB per second
256 GB HP EX920: Up to 3200 MB per second

512 GB HP EX920: Up to 3200 MB per second

1 TB HP EX920: Up to 3200 MB per second

2 TB HP EX920: Up to 3200 MB per second
Maximum Sequential Write Speed120 GB HP EX900: Up to 650 MB per second

250 GB HP EX900: Up to 1300 MB per second

500 GB HP EX900: Up to 1500 MB per second
256 GB HP EX920: Up to 1200 MB per second

512 GB HP EX920: Up to 1600 MB per second

1 TB HP EX920: Up to 1800 MB per second

2 TB HP EX920: Up to 1600 MB per second
Maximum Random Read Speed120 GB HP EX900: Up to 100K IOPS

250 GB HP EX900: Up to 125K IOPS

500 GB HP EX900: Up to 100K IOPS
256 GB HP EX920: Up to 180K IOPS

512 GB HP EX920: Up to 340K IOPS

1 TB HP EX920: Up to 350K IOPS

2 TB HP EX920: Up to 300K IOPS
Maximum Random Write Speed120 GB HP EX900: Up to 80K IOPS

250 GB HP EX900: Up to 110K IOPS

500 GB HP EX900: Up to 80K IOPS
256 GB HP EX920: Up to 250K IOPS

512 GB HP EX920: Up to 260K IOPS

1 TB HP EX920: Up to 250K IOPS

2 TB HP EX920: Up to 270K IOPS
MTBF2,000,000 hours2,000,000 hours
Active Power Consumption120 GB HP EX900: 2.46 W

250 GB HP EX900: 2.99 W

500 GB HP EX900: 3.52 W
256 GB HP EX920: 4.29 W

512 GB HP EX920: 5.61 W

1 TB HP EX920: 6.23 W

2 TB HP EX920: 6.69 W
Idle Power Consumption120 GB HP EX900: 0.68 W

250 GB HP EX900: 0.68 W

500 GB HP EX900: 0.68 W
256 GB HP EX920: 0.73 W

512 GB HP EX920: 0.73 W

1 TB HP EX920: 0.73 W

2 TB HP EX920: 0.73 W
DEVSLP Power Consumption120 GB HP EX900: 5 mW

250 GB HP EX900: 5 mW

500 GB HP EX900: 5 mW
256 GB HP EX920: 5 mW

512 GB HP EX920: 5 mW

1 TB HP EX920: 5 mW

2 TB HP EX920: 5 mW
Operating Temperature Range0°C to 70°C0°C to 70°C
Storage Temperature Range-40°C to 85°C-40°C to 85°C
Maximum Vibration Resistance3.1G RMS (2 Hz to 500 Hz)3.1G RMS (2 Hz to 500 Hz)
Maximum Shock Resistance100 G/6 msec100 G/6 msec
CertificatesBSMI

CB

CE

CTUVus

FCC

KCC

RCM

RoHS

VCCI
BSMI

CB

CE

CTUVus

FCC

KCC

RCM

RoHS

VCCI
Warranty120 GB HP EX900: 3 years or 70 TBW

250 GB HP EX900: 3 years or 100 TBW

500 GB HP EX900: 3 years or 200 TBW
256 GB HP EX920: 5 years or 160 TBW

512 GB HP EX920: 5 years or 320 TBW

1 TB HP EX920: 5 years or 650 TBW

2 TB HP EX920: 5 years or 1300 TBW
PricingCheck price on Amazon.Check price on Amazon.

Capacity Options

The EX920 offers bigger capacities, when compared to the EX900.

You can find the available capacity options for the two products below:

HP EX900:

  • 120 GB
  • 250 GB
  • 500 GB

HP EX920:

  • 256 GB
  • 512 GB
  • 1 TB
  • 2 TB

Physical Dimensions

The HP EX920 is a little thicker when compared to the HP EX900.

You can check out the measurements below:

  • HP EX900: 80.0 mm x 22.0 mm x 2.4 mm
  • HP EX920: 80.0 mm x 22.0 mm x 3.5 mm

Weight

The two internal SSDs in this versus guide should weigh the same at up to 5.4 grams.

Interface/Protocol

For the interface/protocol, these storage drives use PCIe Gen 3(8 Gb/s) x 4, NVMe 1.3.

Maximum Sequential Read Speed

When you compare similar capacities, the 256 GB and 512 GB versions of the HP EX920 is 1100 MB per second faster, or 52.38% faster, than the 250 GB and 500 GB versions of the HP EX900 at maximum sequential reading.

You can check out the maximum sequential read speeds below:

  • 120 GB HP EX900: Up to 1900 MB per second
  • 250 GB HP EX900: Up to 2100 MB per second
  • 500 GB HP EX900: Up to 2100 MB per second
  • 256 GB HP EX920: Up to 3200 MB per second
  • 512 GB HP EX920: Up to 3200 MB per second
  • 1 TB HP EX920: Up to 3200 MB per second
  • 2 TB HP EX920: Up to 3200 MB per second

Maximum Sequential Write Speed

As for the maximum sequential writing, the 250 GB HP EX900 is actually 100 MB per second faster, or 8.33% faster, than the 256 GB HP EX920.

On the other hand, the 512 GB HP EX920 is 100 MB per second faster, or 6.67% faster, than the 250 GB HP EX900.

You can take a look at the maximum sequential write speeds below:

  • 120 GB HP EX900: Up to 650 MB per second
  • 250 GB HP EX900: Up to 1300 MB per second
  • 500 GB HP EX900: Up to 1500 MB per second
  • 256 GB HP EX920: Up to 1200 MB per second
  • 512 GB HP EX920: Up to 1600 MB per second
  • 1 TB HP EX920: Up to 1800 MB per second
  • 2 TB HP EX920: Up to 1600 MB per second

Maximum Random Read Speed

For maximum random reading, the 256 GB HP EX920 is 55K IOPS faster, or 44% faster, than the 250 GB HP EX900.

The 512 GB HP EX920 is also 240K IOPS faster, or 240% faster, than the 500 GB HP EX900.

You can find the random read speeds below:

  • 120 GB HP EX900: Up to 100K IOPS
  • 250 GB HP EX900: Up to 125K IOPS
  • 500 GB HP EX900: Up to 100K IOPS
  • 256 GB HP EX920: Up to 180K IOPS
  • 512 GB HP EX920: Up to 340K IOPS
  • 1 TB HP EX920: Up to 350K IOPS
  • 2 TB HP EX920: Up to 300K IOPS

Maximum Random Write Speed

As for maximum random writing, the 256 GB HP EX920 is 140K IOPS faster, or 127.27% faster, than the 250 GB HP EX900.

The 512 GB HP EX920 is also 180K IOPS faster, or 225% faster, than the 500 GB HP EX900.

You can find the maximum random write speeds below:

  • 120 GB HP EX900: Up to 80K IOPS
  • 250 GB HP EX900: Up to 110K IOPS
  • 500 GB HP EX900: Up to 80K IOPS
  • 256 GB HP EX920: Up to 250K IOPS
  • 512 GB HP EX920: Up to 260K IOPS
  • 1 TB HP EX920: Up to 250K IOPS
  • 2 TB HP EX920: Up to 270K IOPS

MTBF

The two HP SSDs in this comparison have the same Mean Time Between Failures reliability rating of 2,000,000 hours.

Power Consumption

When it comes to power consumption, the EX900 is more efficient than the EX920 while in both active and idle states. These two drives use the same amount of energy in DEVSLP.

You can find the power consumption specs below:

Active Power Consumption

  • 120 GB HP EX900: 2.46 W
  • 250 GB HP EX900: 2.99 W
  • 500 GB HP EX900: 3.52 W
  • 256 GB HP EX920: 4.29 W
  • 512 GB HP EX920: 5.61 W
  • 1 TB HP EX920: 6.23 W
  • 2 TB HP EX920: 6.69 W

Idle Power Consumption

  • 120 GB HP EX900: 0.68 W
  • 250 GB HP EX900: 0.68 W
  • 500 GB HP EX900: 0.68 W
  • 256 GB HP EX920: 0.73 W
  • 512 GB HP EX920: 0.73 W
  • 1 TB HP EX920: 0.73 W
  • 2 TB HP EX920: 0.73 W

DEVSLP Power Consumption

  • 120 GB HP EX900: 5 mW
  • 250 GB HP EX900: 5 mW
  • 500 GB HP EX900: 5 mW
  • 256 GB HP EX920: 5 mW
  • 512 GB HP EX920: 5 mW
  • 1 TB HP EX920: 5 mW
  • 2 TB HP EX920: 5 mW

Operating Temperature Range

The HP EX900 and HP EX920 have the same operating temperature range of 0°C to 70°C.

Storage Temperature Range

These two M.2 2280 solid state drives have the same storage temperature range as well as -40°C to 85°C.

Maximum Vibration Resistance

Both of these internal storage drives can withstand vibrations of up to 3.1G RMS (2 Hz to 500 Hz).

Maximum Shock Resistance

The EX900 and EX920 can also withstand shocks of up to 100 G/6 msec.

Certificates

The HP EX900 and HP EX920 SSDs have received the following certifications:

  • BSMI
  • CB
  • CE
  • CTUVus
  • FCC
  • KCC
  • RCM
  • RoHS
  • VCCI

Warranty

The EX920 has a better warranty than the EX900 as it is longer and covers more Terabytes Written.

You can find the warranties for all capacities of both products below:

  • 120 GB HP EX900: 3 years or 70 TBW
  • 250 GB HP EX900: 3 years or 100 TBW
  • 500 GB HP EX900: 3 years or 200 TBW
  • 256 GB HP EX920: 5 years or 160 TBW
  • 512 GB HP EX920: 5 years or 320 TBW
  • 1 TB HP EX920: 5 years or 650 TBW
  • 2 TB HP EX920: 5 years or 1300 TBW

Resources: