Sabrent USB 3.2 NVMe PCIe Key + Sabrent Rocket Q Sabrent USB 3.2 NVMe adapter testing compared to direct NVMe interface on motherobard. Sabrent Rocket Q 2TB NVMe SSD used for testing. Benchmarks by Michael Larabel. Sabrent USB 3.2: Processor: Intel Core i9-10900K @ 5.30GHz (10 Cores / 20 Threads), Motherboard: Gigabyte Z490 AORUS MASTER (F3 BIOS), Chipset: Intel Comet Lake PCH, Memory: 16GB, Disk: 2000GB Sabrent Rocket Q + Samsung SSD 970 EVO 250GB, Graphics: llvmpipe 16GB, Audio: Realtek ALC1220, Network: Intel Device 15f3 + Intel Wi-Fi 6 AX201 OS: Ubuntu 20.04, Kernel: 5.7.4-050704-generic (x86_64), Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 3.3 Mesa 20.0.4 (LLVM 9.0.1 256 bits), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768 NVMe Direct: Processor: Intel Core i9-10900K @ 5.30GHz (10 Cores / 20 Threads), Motherboard: Gigabyte Z490 AORUS MASTER (F3 BIOS), Chipset: Intel Comet Lake PCH, Memory: 16GB, Disk: 2000GB Sabrent Rocket Q + Samsung SSD 970 EVO 250GB, Graphics: llvmpipe 16GB, Audio: Realtek ALC1220, Network: Intel Device 15f3 + Intel Wi-Fi 6 AX201 OS: Ubuntu 20.04, Kernel: 5.7.4-050704-generic (x86_64), Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 3.3 Mesa 20.0.4 (LLVM 9.0.1 256 bits), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768 LevelDB 1.22 Benchmark: Sequential Fill MB/s > Higher Is Better Sabrent USB 3.2 . 48.5 |======================================================= NVMe Direct ..... 47.8 |====================================================== LevelDB 1.22 Benchmark: Sequential Fill Microseconds Per Op < Lower Is Better Sabrent USB 3.2 . 45.63 |===================================================== NVMe Direct ..... 46.27 |====================================================== LevelDB 1.22 Benchmark: Random Fill MB/s > Higher Is Better Sabrent USB 3.2 . 46.2 |======================================================= NVMe Direct ..... 46.0 |======================================================= LevelDB 1.22 Benchmark: Random Fill Microseconds Per Op < Lower Is Better Sabrent USB 3.2 . 47.86 |====================================================== NVMe Direct ..... 48.08 |====================================================== LevelDB 1.22 Benchmark: Overwrite MB/s > Higher Is Better Sabrent USB 3.2 . 46.2 |======================================================= NVMe Direct ..... 46.1 |======================================================= LevelDB 1.22 Benchmark: Overwrite Microseconds Per Op < Lower Is Better Sabrent USB 3.2 . 47.82 |====================================================== NVMe Direct ..... 48.00 |====================================================== LevelDB 1.22 Benchmark: Fill Sync MB/s > Higher Is Better Sabrent USB 3.2 . 0.3 |======================================================== NVMe Direct ..... 0.3 |======================================================== LevelDB 1.22 Benchmark: Fill Sync Microseconds Per Op < Lower Is Better Sabrent USB 3.2 . 6504.88 |==================================================== NVMe Direct ..... 6538.47 |==================================================== LevelDB 1.22 Benchmark: Random Read Microseconds Per Op < Lower Is Better Sabrent USB 3.2 . 8.206 |====================================================== NVMe Direct ..... 8.273 |====================================================== LevelDB 1.22 Benchmark: Random Delete Microseconds Per Op < Lower Is Better Sabrent USB 3.2 . 45.17 |====================================================== NVMe Direct ..... 45.41 |====================================================== LevelDB 1.22 Benchmark: Hot Read Microseconds Per Op < Lower Is Better Sabrent USB 3.2 . 8.208 |====================================================== NVMe Direct ..... 8.280 |====================================================== LevelDB 1.22 Benchmark: Seek Random Microseconds Per Op < Lower Is Better Sabrent USB 3.2 . 10.05 |====================================================== NVMe Direct ..... 10.01 |====================================================== SQLite Speedtest 3.30 Timed Time - Size 1,000 Seconds < Lower Is Better Sabrent USB 3.2 . 46.28 |====================================================== NVMe Direct ..... 45.76 |===================================================== Timed Linux Kernel Compilation 5.4 Time To Compile Seconds < Lower Is Better Sabrent USB 3.2 . 62.95 |====================================================== NVMe Direct ..... 63.49 |====================================================== Flexible IO Tester 3.18 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Sabrent USB 3.2 . 76400 |======================== NVMe Direct ..... 166333 |===================================================== Flexible IO Tester 3.18 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Sabrent USB 3.2 . 85300 |========= NVMe Direct ..... 531333 |===================================================== Flexible IO Tester 3.18 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Sabrent USB 3.2 . 1006 |================== NVMe Direct ..... 3066 |======================================================= Flexible IO Tester 3.18 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Sabrent USB 3.2 . 845 |================================================= NVMe Direct ..... 974 |======================================================== Facebook RocksDB 6.3.6 Test: Sequential Fill Op/s > Higher Is Better Sabrent USB 3.2 . 1437392 |=================================================== NVMe Direct ..... 1475340 |==================================================== Facebook RocksDB 6.3.6 Test: Random Fill Op/s > Higher Is Better Sabrent USB 3.2 . 979000 |===================================================== NVMe Direct ..... 980533 |===================================================== Facebook RocksDB 6.3.6 Test: Random Fill Sync Op/s > Higher Is Better Sabrent USB 3.2 . 2799 |====================================================== NVMe Direct ..... 2871 |======================================================= Facebook RocksDB 6.3.6 Test: Random Read Op/s > Higher Is Better Sabrent USB 3.2 . 68418111 |=================================================== NVMe Direct ..... 68185330 |=================================================== Facebook RocksDB 6.3.6 Test: Read While Writing Op/s > Higher Is Better Sabrent USB 3.2 . 2991618 |================================================== NVMe Direct ..... 3106306 |==================================================== Drive Temperature Monitor Phoronix Test Suite System Monitoring Celsius Sabrent USB 3.2 . MIN: 34.9 AVG: 41.2 MAX: 54.9 NVMe Direct ..... MIN: 26.9 AVG: 42.6 MAX: 62.9