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The Serial ATA interface was designed primarily for interfacing with hard disk drives (HDDs), doubling its native speed with each major revision: maximum SATA transfer speeds went from 1.5 Gbit/s in SATA 1.0 (standardized in 2003), through 3 Gbit/s in SATA 2.0 (standardized in 2004), to 6 Gbit/s as provided by SATA 3.0 (standardized in 2009). [9]
For instance, SATA revision 3.0 (6 Gbit/s) controllers on one PCI Express 2.0 (5 Gbit/s) channel will be limited to the 5 Gbit/s rate and have to employ more channels to get around this problem. Early implementations of new protocols very often have this kind of problem.
A 3.5-inch Serial ATA hard disk drive A 2.5-inch Serial ATA solid-state drive. SATA was announced in 2000 [4] [5] in order to provide several advantages over the earlier PATA interface such as reduced cable size and cost (seven conductors instead of 40 or 80), native hot swapping, faster data transfer through higher signaling rates, and more efficient transfer through an (optional) I/O queuing ...
UFS 3.0 SATA-300 SATA-600 PCIe 2.0 x1 PCIe 2.0 x2 PCIe 3.0 x2 PCIe 3.0 x8 Speed (full-duplex) 104 MB/s 156 MB/s 624 MB/s ... PCI Express Mini Card: EM mSATA: XM PC ...
SAS allows a higher transfer speed (SAS-1, SAS-2, SAS-3, and SAS-4 supports data bandwidth of 3, 6, 12, and 24 Gbits/sec, respectively) [10] than most parallel SCSI standards. SAS achieves these speeds on each initiator-target connection, hence getting higher throughput, whereas parallel SCSI shares the speed across the entire multidrop bus.
SATA Express allows the use of two PCI Express 2.0 or 3.0 lanes and two SATA 3.0 (6 Gbit/s) ports through the same host-side SATA Express connector (but not both at the same time). SATA Express supports NVMe as the logical device interface for attached PCI Express storage devices.
speed PCI Express. lanes SATA SATAe PCIe M.2. Wireless MAC USB ports TDP; 6 Gbit/s v3.2 Gen 1x1 v3.2 Gen 2x1 Total C232: Sunrise Point: SR2CB(D1) GL82C232 (PCH) September 1, 2015 DMI 3.0 3.93 GB/s 8 PCIe 3.0 Up to 6 Up to 3 Up to 1 No Up to 6 None Up to 12 6 W C236: SR2CC(D1) GL82C236 (PCH) 20 PCIe 3.0 Up to 8 Up to 3 Up to 10 Up to 14 C242 ...
The SAS is a new generation serial communication protocol for devices designed to allow for much higher speed data transfers and is compatible with SATA. SAS uses a mechanically identical data and power connector to standard 3.5-inch SATA1/SATA2 HDDs, and many server-oriented SAS RAID controllers are also capable of addressing SATA hard drives.