DDR5 Memory Modules
DDR5 also improves scaling performance without degrading channel efficiency at higher speeds. This increased performance is achieved by doubling the burst length to BL16 and bank-count to 32 from 16. For increased reliability and efficiency, a DDR5 DIMM utilizes two 40-bit fully independent sub-channels on the same module. DDR5 memory modules have a maximum die density of 64Gb and hence are capable of having a much higher DIMM storage capacity.
■Features
▲Command/Address and Control bus is double data rate
▲Generates CRC checksum in READ data frames
▲Default burst length increased to BL16 – Single burst = 64B of data
▲Integrated Temperature Sensor (MR4)
▲DDR5 DRAM contain 256 mode registers
■Benefits
▲Higher Bandwidth, DDR5 initial designs 4800 MHz
▲Lower Power
▲Better power efficiency and scalability
▲Higher memory efficiency, lower latency
▲Higher capacity DIMMs
ST4098RD520805SB 、 ST4098RD520805MAV 、 ST2047UD520805SB 、 ST8198RD540405-SB 、 ST4098RD520805-SB 、 ST4098RD540405-SB 、 ST2048RD520805-SB 、 ST4G6SO5285-SB 、 ST2G6SO5285-SB 、 ST1G6SO5165-SB 、 ST4G6UD5285-SB 、 ST2G6UD5285-SB 、 ST1G6UD5165-SB |
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Memory Modules 、 DDR5 RDIMM 、 DDR5 VLP RDIMM 、 DDR5 ECC UDIMM 、 DDR5 SODIMM 、 DDR5 UDIMM |
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[ data center processing ][ High Performance Computing ][ Cloud Computing ][ Cloud Storage ][ Enterprise Networking ] |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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03.24.22 |
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Rev.11 |
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2 MB |
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