U.2 size, around 120USD on ebay, bought mine on taobao. You will need U.2 to PCIE adater, not expensive.
Some tests
SMART after tests
Decent piece of SSD I think
Some tests
Code:
***************************************************************************************************
ezFio test parameters:
Drive: /dev/nvme0n1
Model: UNKNOWN
Serial: UNKNOWN
AvailCapacity: 745 GiB
TestedCapacity: 745 GiB
CPU: Intel Xeon CPU E5-2660 v2 @ 2.20GHz
Cores: 40
Frequency: 2200
FIO Version: fio-3.7
Test Description BW(MB/s) IOPS Lat(us)
----------------------------------------------------------------------- -------- --------- --------
---Sequential Preconditioning---
Sequential Preconditioning Pass 1 DONE DONE DONE
Sequential Preconditioning Pass 2 DONE DONE DONE
---Sustained Multi-Threaded Sequential Read Tests by Block Size---
Sustained Multi-Threaded Sequential Read Tests by Block Size, BS=512 73.42 150,355 1701.8
Sustained Multi-Threaded Sequential Read Tests by Block Size, BS=1024 144.94 148,421 1724.0
Sustained Multi-Threaded Sequential Read Tests by Block Size, BS=2048 305.63 156,481 1635.2
Sustained Multi-Threaded Sequential Read Tests by Block Size, BS=4096 622.88 159,458 1604.6
Sustained Multi-Threaded Sequential Read Tests by Block Size, BS=8192 1,187.52 152,002 1683.3
Sustained Multi-Threaded Sequential Read Tests by Block Size, BS=16384 2,045.92 130,939 1954.1
Sustained Multi-Threaded Sequential Read Tests by Block Size, BS=32768 2,488.03 79,617 3214.4
Sustained Multi-Threaded Sequential Read Tests by Block Size, BS=65536 2,473.48 39,576 6467.5
Sustained Multi-Threaded Sequential Read Tests by Block Size, BS=131072 2,258.23 18,066 14168.8
---Sustained Multi-Threaded Random Read Tests by Block Size---
Sustained Multi-Threaded Random Read Tests by Block Size, BS=512 252.95 518,038 493.1
Sustained Multi-Threaded Random Read Tests by Block Size, BS=1024 501.79 513,836 497.1
Sustained Multi-Threaded Random Read Tests by Block Size, BS=2048 945.01 483,845 528.0
Sustained Multi-Threaded Random Read Tests by Block Size, BS=4096 1,784.12 456,734 559.3
Sustained Multi-Threaded Random Read Tests by Block Size, BS=8192 2,157.79 276,197 925.7
Sustained Multi-Threaded Random Read Tests by Block Size, BS=16384 2,148.98 137,535 1859.9
Sustained Multi-Threaded Random Read Tests by Block Size, BS=32768 2,170.86 69,468 3683.2
Sustained Multi-Threaded Random Read Tests by Block Size, BS=65536 2,095.57 33,529 7632.2
Sustained Multi-Threaded Random Read Tests by Block Size, BS=131072 2,116.04 16,928 15118.8
---Sequential Write Tests with Queue Depth=1 by Block Size---
Sequential Write Tests with Queue Depth=1 by Block Size, BS=512 13.76 28,189 34.5
Sequential Write Tests with Queue Depth=1 by Block Size, BS=1024 17.82 18,247 53.8
Sequential Write Tests with Queue Depth=1 by Block Size, BS=2048 50.35 25,778 37.8
Sequential Write Tests with Queue Depth=1 by Block Size, BS=4096 228.14 58,404 16.1
Sequential Write Tests with Queue Depth=1 by Block Size, BS=8192 392.60 50,252 18.9
Sequential Write Tests with Queue Depth=1 by Block Size, BS=16384 628.20 40,205 23.8
Sequential Write Tests with Queue Depth=1 by Block Size, BS=32768 805.30 25,770 37.7
Sequential Write Tests with Queue Depth=1 by Block Size, BS=65536 830.50 13,288 74.1
Sequential Write Tests with Queue Depth=1 by Block Size, BS=131072 833.87 6,671 148.5
---Random Preconditioning---
Random Preconditioning DONE DONE DONE
Random Preconditioning DONE DONE DONE
---Sustained 4KB Random Read Tests by Number of Threads---
Sustained 4KB Random Read Tests by Number of Threads, Threads=1 35.44 9,073 109.1
Sustained 4KB Random Read Tests by Number of Threads, Threads=2 80.25 20,545 96.3
Sustained 4KB Random Read Tests by Number of Threads, Threads=4 157.93 40,430 97.8
Sustained 4KB Random Read Tests by Number of Threads, Threads=8 295.21 75,574 104.7
Sustained 4KB Random Read Tests by Number of Threads, Threads=16 554.31 141,904 111.5
Sustained 4KB Random Read Tests by Number of Threads, Threads=32 903.00 231,169 137.0
Sustained 4KB Random Read Tests by Number of Threads, Threads=64 1,397.80 357,837 177.2
Sustained 4KB Random Read Tests by Number of Threads, Threads=128 1,696.84 434,390 292.9
Sustained 4KB Random Read Tests by Number of Threads, Threads=256 1,669.92 427,499 596.9
---Sustained 4KB Random mixed 30% Write Tests by Threads---
Sustained 4KB Random mixed 30% Write Tests by Threads, Threads=1 43.54 11,146 118.8
Sustained 4KB Random mixed 30% Write Tests by Threads, Threads=2 75.61 19,357 138.0
Sustained 4KB Random mixed 30% Write Tests by Threads, Threads=4 114.14 29,220 185.3
Sustained 4KB Random mixed 30% Write Tests by Threads, Threads=8 171.14 43,812 249.6
Sustained 4KB Random mixed 30% Write Tests by Threads, Threads=16 248.05 63,500 345.7
Sustained 4KB Random mixed 30% Write Tests by Threads, Threads=32 343.40 87,912 496.5
Sustained 4KB Random mixed 30% Write Tests by Threads, Threads=64 448.36 114,780 733.1
Sustained 4KB Random mixed 30% Write Tests by Threads, Threads=128 494.48 126,586 1216.1
Sustained 4KB Random mixed 30% Write Tests by Threads, Threads=256 510.43 130,670 2170.3
---Sustained Perf Stability Test - 4KB Random 30% Write---
Sustained Perf Stability Test - 4KB Random 30% Write 509.50 130,433 2174.7
---Sustained 4KB Random Write Tests by Number of Threads---
Sustained 4KB Random Write Tests by Number of Threads, Threads=1 161.95 41,459 23.1
Sustained 4KB Random Write Tests by Number of Threads, Threads=2 220.45 56,434 34.4
Sustained 4KB Random Write Tests by Number of Threads, Threads=4 227.38 58,209 67.6
Sustained 4KB Random Write Tests by Number of Threads, Threads=8 225.47 57,721 137.3
Sustained 4KB Random Write Tests by Number of Threads, Threads=16 225.54 57,739 275.2
Sustained 4KB Random Write Tests by Number of Threads, Threads=32 225.37 57,695 552.0
Sustained 4KB Random Write Tests by Number of Threads, Threads=64 224.20 57,395 1112.2
Sustained 4KB Random Write Tests by Number of Threads, Threads=128 225.20 57,651 2216.8
Sustained 4KB Random Write Tests by Number of Threads, Threads=256 227.55 58,253 4390.2
---Sustained Multi-Threaded Random Write Tests by Block Size---
Sustained Multi-Threaded Random Write Tests by Block Size, BS=512 20.38 41,736 6130.9
Sustained Multi-Threaded Random Write Tests by Block Size, BS=1024 43.32 44,361 5768.0
Sustained Multi-Threaded Random Write Tests by Block Size, BS=2048 86.90 44,495 5750.7
Sustained Multi-Threaded Random Write Tests by Block Size, BS=4096 232.27 59,462 4302.9
Sustained Multi-Threaded Random Write Tests by Block Size, BS=8192 223.10 28,557 8961.1
Sustained Multi-Threaded Random Write Tests by Block Size, BS=16384 226.24 14,480 17675.9
Sustained Multi-Threaded Random Write Tests by Block Size, BS=32768 226.98 7,263 35238.7
Sustained Multi-Threaded Random Write Tests by Block Size, BS=65536 227.17 3,635 70418.8
Sustained Multi-Threaded Random Write Tests by Block Size, BS=131072 227.10 1,817 140861.2
Code:
smartctl --all /dev/nvme0
smartctl 7.0 2018-12-30 r4883 [x86_64-linux-4.14.35-1902.4.8.el7uek.x86_64] (local build)
Copyright (C) 2002-18, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Number: INTEL SSDPE2ME800G4
Serial Number: CVMD7440002B800VGN
Firmware Version: 8DV10171
PCI Vendor/Subsystem ID: 0x8086
IEEE OUI Identifier: 0x5cd2e4
Controller ID: 0
Number of Namespaces: 1
Namespace 1 Size/Capacity: 800,166,076,416 [800 GB]
Namespace 1 Formatted LBA Size: 512
Local Time is: Mon Sep 9 01:20:39 2019 CST
Firmware Updates (0x02): 1 Slot
Optional Admin Commands (0x0006): Format Frmw_DL
Optional NVM Commands (0x0006): Wr_Unc DS_Mngmt
Maximum Data Transfer Size: 32 Pages
Supported Power States
St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat
0 + 25.00W - - 0 0 0 0 0 0
Supported LBA Sizes (NSID 0x1)
Id Fmt Data Metadt Rel_Perf
0 + 512 0 2
1 - 512 8 2
2 - 512 16 2
3 - 4096 0 0
4 - 4096 8 0
5 - 4096 64 0
6 - 4096 128 0
=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature: 34 Celsius
Available Spare: 100%
Available Spare Threshold: 10%
Percentage Used: 0%
Data Units Read: 9,301,600 [4.76 TB]
Data Units Written: 8,594,436 [4.40 TB]
Host Read Commands: 795,780,657
Host Write Commands: 594,161,063
Controller Busy Time: 177
Power Cycles: 5
Power On Hours: 9
Unsafe Shutdowns: 3
Media and Data Integrity Errors: 0
Error Information Log Entries: 0
Error Information (NVMe Log 0x01, max 64 entries)
No Errors Logged