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H3C UniServer R4900 G3 Series - Page 41

H3C UniServer R4900 G3 Series
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39
failure occurs, the supercapacitor provides power for a minimum of 20 seconds. During this interval,
the storage controller can transfer data from DDR memory to the flash card, where the data remains
indefinitely or until the controller retrieves the data. If the storage controller contains a built-in flash
card, you can order only a supercapacitor.
Embedded RSTe RAID controller
Item Specifications
Type Embedded in PCH of the system board
Connectors
One onboard ×8 mini-SAS connector
One onboard ×1 SATA connector
Number of internal ports 9 internal SATA ports
Drive interface 6 Gbps SATA 3.0
PCIe interface PCIe2.0 ×4
RAID levels 0, 1, 5, 10
Built-in cache memory N/A
Supported drives
SATA HDD
SATA SSD
Power fail safeguard module Not supported
Firmware upgrade Upgraded with the BIOS
HBA-1000-M2-1
Item Specifications
Type Mezzanine storage controller
Form factor 137 × 103 mm (5.39 × 4.06 in)
Connectors One ×8 mini-SAS-HD connector
Number of internal ports 8 internal SAS ports (compatible with SATA)
Drive interface 12 Gbps SAS 3.0 or 6 Gbps SATA 3.0
PCIe interface PCIe3.0 ×8
RAID levels 0, 1, 10
Built-in cache memory N/A
Supported drives
SAS HDD
SAS SSD
SATA HDD
SATA SSD
Power fail safeguard module Not supported
Firmware upgrade Online upgrade
HBA-H460-B1
Item Specifications
Type Standard storage controller
Form factor LP

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