Lenovo ThinkSystem RAID 940-16i, Installation And User Manual

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©Copyright Lenovo 2020 ThinkSystem RAID 940-16i 8GB Flash PCIe Gen4 12Gb Adapter Installation and User Guide
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 Eight-lane aggregate bandwidth of up to 16 GB/s (16,000 MB/s)

Support of x8, x4, x2, and x1 link widths
1.4 LED Management
The adapter offers LED management support for SAS/SATA backplanes and (PCIe) NVMe backplanes. External connect
adapters offer enclosure LED management support for enclosure implementations through SES.
1.5 Tri-Mode Storage Interface Features
The adapter’s storage interface supports concurrent operation with SAS, SATA, and PCIe (NVMe) devices to provide a
fully functional solution for any storage environment.
 PCIe (NVMe) interface features:
– Up to sixteen x1, eight x2, or four x4 NVMe direct-attach drive support
– Data transfer at 16 GT/s, 8 GT/s, 5 GT/s, and 2.5 GT/s
– Independent resets and configuration
– Common reference clock and separate reference clock independent SSC (SRIS) support
 SAS features:
– SAS data transfers at 12Gb/s, 6Gb/s, and 3Gb/s
– DataBolt technology on all SAS phys to improve performance
– Serial, point-to-point, enterprise-level storage interface
– Wide ports that contain multiple phys
– Narrow ports that contain a single phy
–
SAS phy power management
– Data transfer by using SCSI information units
– T10 data protection management
– Support for persistent connection capability
– Support for SPL-3 initiate close capability
– Configurable Rx and Tx polarity inversion
–
Configurable phy-to-disk mapping
– Configurable SSC
 SATA interface features:
–
SATA and STP data transfers at 6Gb/s and 3Gb/s
– Addressing of multiple SATA targets through an expander
1.6 Adapter Characteristics
The adapter is a 6.127 in. × 2.712 in. (155.65 mm × 68.90 mm) board. The component height on the top and bottom of the
adapter complies with the PCIe specification.
The following figure shows the connectors and LED locations on the adapter.