SamsungMZ-7PD128BW
SamsungMZ-7PD128BW

Controller: Samsung 3-core MDX. Flash Memory: Samsung 21nm Toggle Mode MLC. Release date: Q4 2012.

Controller: Samsung 3-core MDX. Flash Memory: Samsung 21nm Toggle Mode MLC. Release date: Q4 2012.

Real World Speed
Performance profile from 61,686 user samples
30,843 User Benchmarks
Best Bench: 111% 119GB free
Worst Bench: 62% 25GB free (System drive)
Poor: 62% Great: 111%
SPEED RANK: 322nd / 1058
30,843 User Benchmarks
Best Bench: 111% 119GB free
Worst Bench: 62% 25GB free (System drive)
Poor: 62% Great: 111%
SPEED RANK: 322nd / 1058
Effective Speed
Effective SSD Speed
89.6 % 89.6 %
Effective Speed
Effective SSD Speed
89.6 % 89.6 %
Read
Avg. Sequential Read Speed
447 MB/s 447 MB/s
Write
Avg. Sequential Write Speed
335 MB/s 335 MB/s
4K Read
Avg. 4K Random Read Speed
30.7 MB/s 30.7 MB/s
4K Write
Avg. 4K Random Write Speed
81.4 MB/s 81.4 MB/s
Mixed
Avg. Sequential Mixed IO Speed
267 MB/s 267 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
36 MB/s 36 MB/s
SusWrite
Avg. Sustained Write Speed
286 MB/s 286 MB/s
Read
Peak Sequential Read Speed
499 MB/s 499 MB/s
Write
Peak Sequential Write Speed
446 MB/s 446 MB/s
4K Read
Peak 4K Random Read Speed
36.5 MB/s 36.5 MB/s
4K Write
Peak 4K Random Write Speed
115 MB/s 115 MB/s
Mixed
Peak Sequential Mixed IO Speed
328 MB/s 328 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
44.6 MB/s 44.6 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
441 MB/s 441 MB/s
Market Share
Based on 42,053,873 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.05 % 0.05 %
Market Share
Market Share (trailing 30 days)
0.05 % 0.05 %
Value
Value For Money
4.92 % 4.92 %
Value
Value For Money
4.92 % 4.92 %
User Rating
UBM User Rating
54 % 54 %
User Rating
UBM User Rating
54 % 54 %
Price
Price (score)
$160 $160
Price
Price (score)
$160 $160
Age
Newest
102 Months 102 Months
Age
Newest
102 Months 102 Months
DQ Read
Peak 4K-64Thread Read Speed
376 MB/s 376 MB/s
DQ Write
Peak 4K-64Thread Write Speed
326 MB/s 326 MB/s
AS-SSD Total
AS-SSD Total Score
1,195 Pts 1,195 Pts
AS-SSD Total
AS-SSD Total Score
1,195 Pts 1,195 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
155 MB/s 155 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
327 MB/s 327 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
241 MB/s 241 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
123 MB/s 123 MB/s
Capacity
Capacity
128GB 128GB
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The 128GB 840 Pro is a rock solid performer. On release, nearly a year and a half ago, the Pro smashed several speed records. Today, with sequential read/write speeds of 519/438 MBps, the Pro is still one of the fastest SSDs available. One of the Pro's top competitors is Samsungs own, newer 840 Evo. Looking at a raw synthetic speed comparison of the 128GB Pro and Evo is a little misleading. On the face of it the Pro only has a marginal lead over the Evo. This due to the fact that the Evo can only maintain its burst write speed for transfers of up to 3GB, the size of its SLC cache. The Pro on the other hand can sustain higher throughputs indefinitely. The Pro also utilizes MLC which is rated for far more erase cycles than the TLC used in the Evo. Server IO is often continuous and would quickly exhaust the 3GB cache on the Evo but for typical consumer use the Evo will remain within the SLC cache most of the time. [Feb '14 SSDrivePro]

MORE DETAILS

The 128GB 840 Pro is a rock solid performer. On release, nearly a year and a half ago, the Pro smashed several speed records. Today, with sequential read/write speeds of 519/438 MBps, the Pro is still one of the fastest SSDs available. One of the Pro's top competitors is Samsungs own, newer 840 Evo. Looking at a raw synthetic speed comparison of the 128GB Pro and Evo is a little misleading. On the face of it the Pro only has a marginal lead over the Evo. This due to the fact that the Evo can only maintain its burst write speed for transfers of up to 3GB, the size of its SLC cache. The Pro on the other hand can sustain higher throughputs indefinitely. The Pro also utilizes MLC which is rated for far more erase cycles than the TLC used in the Evo. Server IO is often continuous and would quickly exhaust the 3GB cache on the Evo but for typical consumer use the Evo will remain within the SLC cache most of the time. [Feb '14 SSDrivePro]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) April 2021 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.

 Frequently Asked Questions

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HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $73SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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