Solidigm D7-P5520 7.68TB Enterprise SSD Review – King of Reads

Introduction and Drive Details

As most of you’ve heard by now, Intel offered its SSD division to SK hynix, which in flip created a brand new SSD model named Solidigm. As far as we will inform, SK hynix has stored Intel’s enterprise SSD division in place with only a identify change. Even the personnel are names we’re acquainted with. To us, this looks as if a very good method on the half of SK hynix, as Intel might be essentially the most broadly employed SSD model within the Datacenter. Why change a very good factor?

The SSD we have now on our bench immediately, the D7-P5520, builds on the success of its predecessor, the D7-P5510. Compared with its predecessor and relying on capability level, the D7-P5520 can ship as much as 42% increased 4K random learn efficiency, 17% increased 4K random write, and as much as 43% higher 4K QD1 QoS. Much of its efficiency enchancment over its predecessor stems from enhancements on the flash entrance. It’s not that this can be a new flash node, however that the 144 Layer flash course of has been refined to a degree the place Solidigm refers to it as Gen2 144L.

Solidigm additionally factors to TCO financial savings alternatives on provide with the D7-P5520 which are value noting. As in contrast with the DC P4510, the D7-P5520 sequence gives as much as a 50% footprint discount per GB of storage. Additionally, Solidigm’s latest gives as much as a 44% discount in energy consumption over the aforementioned DC P4510 sequence, which is fairly thoughts-boggling contemplating the DC P4510 is PCIe Gen3 primarily based and the D7-P5520 PCIe Gen4 primarily based.

The D7-P5520 is being launched alongside a write-intensive model designated D7-P5620. This drive gives comparable learn efficiency however a whopping 56% increased 4K random write efficiency. Additionally, the D7-P5620 is rated for 3 drive writes per day, whereas the D7-P5520 is rated for one drive write per day. As far as we will inform, the one distinction between the D7-P5520 and D7-P5620 is over-provisioning, so it is probably one may simply OP the D7-P5520 and get the identical efficiency outcomes. Warranty could be an issue, although, if exceeding 1 DWPD.

Specs/Comparison Products

VIEW GALLERY – 29 IMAGES

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Solidigm D7-P5520 7.68 TB NVMe PCIe Gen4 x4 U.2 SSD

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This aspect of the drive contains a acquainted-trying producer label.

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The backside of the drive’s enclosure is a heavy-responsibility forged aluminum piece that serves as a warmth sink.

Enterprise Testing Methodology

TweakTown strictly adheres to trade-accepted Enterprise Solid State Storage testing procedures. Each take a look at we carry out repeats the identical sequence of the next 4 steps:

  1. Secure Erase SSD
  2. Write total capability of SSD a minimal of 2x with 128KB sequential write information, seamlessly transition to subsequent step
  3. Precondition SSD at most QD measured (QD32 for SATA, QD256 for PCIe) with the take a look at-particular workload for a ample quantity of time to succeed in a relentless regular-state, seamlessly transition to the subsequent step
  4. Run take a look at-particular workload for five-minutes at every measured Queue Depth, report outcomes
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Benchmarks – Random and Sequential Performance

4K Random Write/Read

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We precondition the drive for 16,000 seconds, receiving efficiency information each second. We plot this information to look at the take a look at topic’s descent into regular-state.

Steady-state is achieved at 6,000 seconds of preconditioning. The common regular-state write efficiency at QD256 is roughly 230K IOPS. The comparatively tight sample with just about no outliers signifies excessive QoS.

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Solidigm D7-P5520 7.68TB Enterprise SSD Review - King of Reads 06 | TweakTown.com

We are hitting a max of 235,000 4K random write IOPS at QD32, which is 15K higher than the said sustained 4K random write spec. Compared with its predecessors, we discover Solidigm’s claims of elevated efficiency to be spot on.

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Solidigm D7-P5520 7.68TB Enterprise SSD Review - King of Reads 08 | TweakTown.com

Random learn efficiency is the place efficiency issues most, most of the time. The D7-P5520 units new lab information for an enterprise SSD at each queue depth as much as QD128, unseating its direct predecessor as lab champion for pure 4K random learn efficiency.

8K Random Write/Read

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We precondition the drive for 16,000 seconds, receiving efficiency information each second. We plot this information to look at the take a look at topic’s descent into regular-state.

Steady-state is achieved at 6,000 seconds of preconditioning. The common regular-state write efficiency at QD256 is roughly 120K IOPS.

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Solidigm D7-P5520 7.68TB Enterprise SSD Review - King of Reads 11 | TweakTown.com

We count on 8K random to trace precisely the identical as 4K random, simply at a decrease charge. The D7-P5520 7.68TB performs as anticipated. Low queue depth efficiency is the second finest we have obtained from a flash-primarily based enterprise SSD up to now.

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Solidigm D7-P5520 7.68TB Enterprise SSD Review - King of Reads 13 | TweakTown.com

As anticipated, the D7-P5520 7.68TB once more demonstrates its prowess when serving up a pure random learn workload.

128K Sequential Write/Read

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We precondition the drive for six,500 seconds, receiving efficiency information each second. Steady-state for this take a look at kicks in at 2,500 seconds. The common regular-state sequential write efficiency at QD256 is roughly 4,400 MB/s.

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Our testing signifies manufacturing facility sequential write specs are on the conservative aspect. We are hitting 4,400 MB/s which is 200 MB/s increased than manufacturing facility specs. Excellent.

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Solidigm D7-P5520 7.68TB Enterprise SSD Review - King of Reads 18 | TweakTown.com

In phrases of absolutes, the D7-P5520 can ship the very best sequential learn we have ever seen from any SSD. 7,480 MB/s is nearly 400 MB/s greater than spec. However, it is not getting there till someplace between QD16 and QD32, exhibiting the very same odd habits as its direct predecessor. Do remember the fact that QD1 is a very powerful efficiency metric, and right here the D7-P5520 7.68TB delivers the second finest we have seen up to now from a flash-primarily based SSD, which, oddly sufficient, is decrease than the D7-P5510.

All-in-all we see no trigger for concern right here as pure sequential workloads are unusual at finest.

Benchmarks – Server Workloads

Email Server

An Email Server workload is a demanding 8K take a look at with a 50 p.c R/W distribution. This software offers a very good indication of how nicely a drive will carry out in a write-heavy workload setting.

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We precondition the drive for 16,000 seconds, receiving efficiency information each second. We plot this information to look at the take a look at topic’s descent into regular-state.

Steady-State is achieved at roughly 8,000 seconds of preconditioning. The common regular-state workload efficiency at QD256 is roughly 170K IOPS. Our information sample signifies good QoS.

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Solidigm D7-P5520 7.68TB Enterprise SSD Review - King of Reads 21 | TweakTown.com

At QD1, the D7-P5520 delivers the products in an enormous manner, even beating the supremely highly effective CM6-V. Impressive. At queue depths increased than one, the CM6-V takes cost as anticipated for an SSD with its write capabilities when dealing with a write-intensive workload like an e-mail server.

OLTP/Database Server

An On-Line Transaction Processing (OLTP) / Database workload is a demanding 8K take a look at with a 66/33 p.c R/W distribution. OLTP is the web processing of monetary transactions and excessive-frequency buying and selling.

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We precondition the drive for 16,000 seconds, receiving efficiency information each second. We plot this information to look at the take a look at topic’s descent into regular-state.

Steady-state is achieved at 9,000 seconds of preconditioning. The common regular-state workload efficiency at QD256 is roughly 210K IOPS.

QoS is indicated as excellent.

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Solidigm D7-P5520 7.68TB Enterprise SSD Review - King of Reads 24 | TweakTown.com

As we combine in additional random learn, the D7-P5520 performs higher. This time it handily wins at QD1 and extends its lab finest efficiency to QD2. It displays a considerably higher efficiency curve than its direct predecessor, as much as QD32.

Web Server

A Web Server workload is a pure random learn take a look at with a variety of file sizes, starting from 512B to 512KB at various proportion charges per file measurement.

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We precondition the drive for 16,000 seconds, receiving efficiency information each second. We plot this information to look at the take a look at topic’s descent into regular-state.

We precondition for this take a look at with an inverted (all-write) workload, so no related data may be gleaned from this preconditioning.

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Solidigm D7-P5520 7.68TB Enterprise SSD Review - King of Reads 27 | TweakTown.com

Okay, right here we go. A pure random learn workload is the place the D7-P5520 places on a present, successful at each queue depth we take a look at. This is efficiency that issues as a result of the bulk of datacenter workloads are closely weighted towards random reads.

Final Thoughts

As we see it, the D7-P5520 is a wonderful SSD to introduce the world to the Solidigm model. It’s a identified commodity being a barely to vastly improved, relying on capability level, model of Intel’s D7-P5510, which is, in our opinion, one of the very best enterprise SSDs ever made.

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Like its predecessors, the D7-P5520 is a efficiency powerhouse at low queue depths, and moreover, it’s succesful of trade-main random learn efficiency. This is efficiency that issues on each accounts and has earned Solidigm’s first SSD our highest award.

Pros:

  • Low queue depth random efficiency
  • PCIe Gen4
  • Capacity/ kind issue choices

Cons:

  • Not considerably sooner than its predecessor at 7.68TB

https://www.tweaktown.com/evaluations/10127/solidigm-d7-p5520-7-68tb-enterprise-ssd-king-of-reads/index.html

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