Intel SSD D7-P5510 Review: Ultra-Fast PCIe 4 Enterprise Storage

Intel SSD D7-P5510: High Capacities And A Super Fast Interface

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Intel has been making noise in virtually all segments of the storage market as of late. A few weeks back, we took a look at the Optane Memory H20, which combines 3DXpoint media with traditional NAND on hybrid M.2 device to accelerate the storage subsystem in mainstream notebooks and PCs. More recently, we evaluated the blazing-fast, ultra-pricey Optane SSD P5800X for high-performance workstations, and we can't forget about the budget friendly SSD 670p that arrived in early March. Today, we’ll shift our focus to the enterprise space and inspect Intel’s recently-announced PCIe Gen 4 SSD D7-P5510 series, which targets data center applications with high-capacities, and enhanced throughput and latency characteristics versus previous-gen drives.

The Intel SSD D7-P5510 series is significant step forward versus the older SSD DC P4600s. These new drives feature updated, native PCIe Gen 4 controllers and the latest 144-later TLC NAND, along with highly-optimized and re-tooled firmware to boost performance across the board. Take a look at the Intel SSD D7-P5510 series’ high-level features and specification below and then we’ll dive in a little deeper, see what makes these drives tick, and evaluate performance in a variety of benchmarks...

Intel SSD D7-P5510
Specifications & Features

The Intel SSD D7-P5510 series drive we’ll be showing you here today leverage the U.2 2.5” x 15mm form factor and will be offered in 3.84TB and 7.68TB capacities – we’ve got the big-boy on tap for you here.

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At the core of these drives is Intel’s own EAX-34144 native, PCIe Gen 4 NVMe controller paired to 144-layer TLC 3D NAND and freshly-tuned and optimized firmware to provide improved latency and throughput, with more consistent QoS as well. Moving to the newer 144-layer 3D TLC NAND flash memory on these drives not only allows Intel to provide high capacities and improve the maximum storage density per server, but it also minimizes power consumption; peak power under load is <18 watts with these drives and they idle below 5 watts.

Inside the aluminum chassis, which also act as effective heatsinks that’s to their integrated fins, in addition to the controller and NAND, these drives feature some DRAM (8GB in the case of the 7.68GB model) and capacitors that enable full power-loss protection. Like Intel’s other data-center targeted SSDs, D7-P5510 drives offer end-to-end protection from silent data corruption and include 5-year warranties, with an endurance rating of 1 full drive write per day (up to 14 PBW). We should also mention that the drives offer support for dynamic multiple namespaces, enhanced LBA, scatter gather list as well.
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In terms of throughput, the highest capacity 7.68TB SSD D7-P5510 is rated for 7GB/s reads with 4.2GB/s writes. As you’ll see in just a bit, the drive is absolutely capable of hitting these speeds…

Intel SSD D7-P5510 Test Setup And Benchmarks

Under each test condition, the SSDs tested here were installed as secondary volumes in our testbed, with a separate drive used for the OS and benchmark installations. Our testbed's motherboard was updated with the latest BIOS available at the time of publication and drives were left blank without partitions for some tests, while others required them to be partitioned and formatted. Windows firewall, automatic updates, and screen savers were all disabled before testing and Windows 10 Quiet Hours / Focus Assist was enabled to prevent any potential interruptions.

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In all test runs, we rebooted the system, ensured all temp and prefetch data was purged, waited several minutes for drive activity to settle and for the system to reach an idle state before invoking a test. All of the drives featured here were tested with their own NVMe drivers installed where possible / available, but the default Windows 10 NVMe driver was used when a proprietary driver was unavailable. Also note, this is the first PCIe Gen 4 data center SSD we've gotten our hands on, so the bandwidth available to the Intel SSD D7-P5510 is effectively double that of the PCIe Gen 3 drives we used for reference comparisons.

HotHardware Test System
Powered By Threadripper
Processor -

Motherboard -


Video Card -

Memory -

Audio -

Storage -

AMD Ryzen Threadripper 3990X

MSI TRX40 Creator
(TRX40 Chipset)

GeForce RTX 2080 Ti

32GB G.SKILL DDR4-3200

Integrated on board

Corsair MP600 (1TB) - OS Drive
Intel SSD D7-P5510 (7.68TB)
Intel SSD DC-P4600 (2TB)
ntel SSD DC-P3700 (800GB)
Samsung SSD 983 DCT (1.92TB)
Intel SSD DC P4510 (2TB)
Kingston DC1000M (3.84TB)
OS -

Chipset Drivers -

DirectX -

Benchmarks -
Windows 10 Pro x64 (1v909)

AMD v2.04.28.626

DirectX 12

IOMeter 1.1
HD Tune v5.75
ATTO v4.01.0f2
AS SSD
CrystalDiskMark v7 x64
SiSoftware SANDRA 2021
IOMeter
I/O Subsystem Measurement Tool
As we've noted in previous SSD articles, though IOMeter is clearly a well-respected industry standard benchmark too, we're not completely comfortable with it for testing SSDs. The fact of the matter is, though our results with IOMeter appear to scale, it is debatable whether or not certain access patterns, as they are presented to and measured on an SSD, actually provide a valid example of real-world performance. The access patterns we tested may not reflect your particular workload, for example. That said, we do think IOMeter is a reliable gauge for relative available throughput, latency, and bandwidth with a given storage solution. In addition, there are certain higher-end workloads you can place on a drive with IOMeter, that you can't with most other storage benchmark tools available currently.

In the following tables, we're showing two sets of access patterns; a custom Workstation pattern, with a 128K transfer size, consisting of 80% reads (20% writes) and 80% random (20% sequential) access and a 4K access pattern with a 4K transfer size, comprised of 67% reads (33% writes) and 100% random access. Queue depths from 1 to 32 were tested...

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As you can see the Intel SSD D7-P5510 led the pack across the board with the 128K/80/80 access pattern and was class-leading or highly-competitive with 4K fully random transfers as well. 

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The actual bandwidth numbers show the Intel SSD D7-P5510 with a marginal advantage over all of the other drives with fully random 4K transfers, but factor some big sequential transfers into the mix and the PCIe Gen 4 Intel SSD D7-P5510 can really stretch its legs and nearly double the throughput of the PCIe Gen 3 drives.

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The Intel SSD D7-P5510 offered class-leading latency as well. Across the board, with both access patterns we tested, the Intel SSD D7-P5510 offered the lowest latency of the bunch.

ATTO Disk Benchmark
More Information Here: http://bit.ly/btuV6w

ATTO is straightforward disk benchmark that measures transfer speeds across a specific volume length. It measures raw transfer rates for both reads and writes and graphs them out in an easily interpreted chart. We chose .5KB through 64MB transfer sizes and a queue depth of 6 over a total max volume length of 256MB. ATTO's workloads are sequential in nature and measure raw bandwidth, rather than I/O response time, access latency, etc.

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The Intel SSD D7-P5510's write throughput was in-line with some of the faster drives here, until it hit the larger transfer sizes and pull away a bit. In the read test though, the Intel SSD D7-P5510 obviously crushed the PCIe Gen 3 drives and approached it's 7GB/s rating.

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Peak IOs trailed most of the other drives according to ATTO's read test, but it's only the Samsung drive that offered higher IOs in the write test.


SiSoft SANDRA
Synthetic Disk Benchmarking

Next we used SiSoft SANDRA, the the System ANalyzer, Diagnostic and Reporting Assistant for some quick tests. Here, we used the Physical Disk test suite and provide the results from our comparison SSDs. The benchmarks were run on clean drives that lacked any partitions. Read and write performance metrics are detailed below.

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Once again, we see the Intel SSD D7-P5510 offered the highest random read and write performance of the group. As we saw with ATTO, writes were only marginally higher than the competing drives, but reads were more than twice as high.

AS SSD Compression Benchmark
Bring Your Translator: http://bit.ly/aRx11n

Next up we ran the Compression Benchmark built-into AS SSD, an SSD specific benchmark being developed by Alex Intelligent Software. This test is interesting because it uses a mix of compressible and non-compressible data and outputs both Read and Write throughput of the drive. We only graphed a small fraction of the data (1% compressible, 50% compressible, and 100% compressible), but the trend is representative of the benchmark’s complete results.


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The compressibility of the data being transferred across the drives has little impact on performance. In both the read and write tests, the Intel SSD D7-P5510 lead the pack.


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