The P4 didn't suddenly get slow or malfunction - the difference is in the benchmark programs. You cannot compare the results of one test like AJA to a different test like BlackMagic or QuickBench.Į.g, on my 8TB P1 R4 with 4x2TB Toshiba drives in RAID 5, QuickBench Large gives a read rate of 830MB/sec, yet the AJA "Read Existing File" test on a 5GB file only gives about 430MB/sec - on the exact same hardware, run within 60 sec of each other. The R4 comes with 4 drive bays, the R6 with 6, and you guessed it, the R6 with 8 drive bays.
PEGASUS2 R6 SPEED SERIES
Sometimes it's unclear what the user-adjustable parameters even do.Įven running the same test on different machines means nothing unless that test is configured identically on both machines. Promise recently updated their Pegasus series of products to support Thunderbolt 3, like the Pegasus2 line before it, the updated Pegasus3 product line comes in three models: the R4, R6, and R8. So besides the parameters you typically cannot change (such as # of async I/Os and I/O size) there may be user-adjustable parameters you *can* change, such as file size. Oftentimes tests (such as AJA) have many different configuration parameters. Promise Pegasus 2 R8 Thunderbolt 2 RAID Storage - 48TB w/8 x 6TBSATA HDD Incl.
PEGASUS2 R6 SPEED PRO
If a une an older MacBook Pro with the same cable (without the adatptator), the Drive will mount. The Pegasus2 R6 stores up to 12TB of data spread across six 2TB 7200 rpm SATA drives. I'm connected with the Apple USB-C Thunderbolt Adaptator and a Apple Thunderbolt Cble to the Promise. This storage arrays Thunderbolt 2 interface offers high-speed connectivity. This makes it difficult for users to compare disk benchmarks - you have to run the exact same test, configured the same way. G-Tech G-SPEED 96TB Shuttle XL 8-Bay Thunderbolt 3 Storage Solution. The Promise Technology 12TB Pegasus2 R6 is a Thunderbolt 2 RAID storage array designed for simultaneous streaming, editing, and backup of high-resolution videos and large multimedia files. This high-speed I/O technology is capable of delivering a blistering two channels of 10Gbps (1.25Gbps) per port of performance. That said, with its MSRP at 2109 for the 24TB model, the turn-key nature of the platform is undoubtedly enticing, and with comparable solutions like the G-Speed Shuttle or Pegasus2 R6 coming in a. Thunderbolt technology is a new, high-speed, dual-protocol I/O technology designed for performance, simplicity and flexibility.
PEGASUS2 R6 SPEED MAC
They can vary in number of threads used, I/O size, number of overlapped (async) I/Os, what caching request flags the API submits, etc. The Promise Technology Pegasus2 R6 18TB 6-Bay Storage Array designed to unleash the raw power of Thunderbolt technology. Pegasus 32 R6 : Item model number P32R6HD48US : Hardware Platform PC, Mac : Item Weight 26 pounds : Product Dimensions 11.6 x 7.3 x 9.8 inches : Item Dimensions LxWxH 11.6 x 7.3 x 9.
The fact that each different benchmark program often produces radically different numbers on the same hardware indicates the source of variability. This more likely reflects the characteristics of AJA System Test, not the P2 R4 capability.
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