expiredNervousLinen3499 posted Jan 15, 2023 04:05 AM
Item 1 of 6
Item 1 of 6
expiredNervousLinen3499 posted Jan 15, 2023 04:05 AM
2TB XPG Atom 50 PCIe Gen4 x4 NVMe 1.4 M.2 2280 Internal SSD
+ Free Shipping$140
$165
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Without DRAM, the controller uses a portion of the NAND space to store this data, which is much slower than the DRAM. As PCIe speeds have increased, many manufacturers are using a technique called Host Memory Buffer (HMB) that allows the controller to use a small portion of system memory to store this data instead. PCIe transfers are very fast, so this is a viable solution. DRAM adds cost and additional power requirements, so manufacturers would ideally like to eliminate those factors.
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Endurance is decent at 1500 TBW for the 2TB version and 650TBW for the 1TB. The specs look high enough that they wouldn't be able to switch in QLC or a significantly worse controller.
Decent deal for a entry level PCIe gen 4 drive.
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Without DRAM, the controller uses a portion of the NAND space to store this data, which is much slower than the DRAM. As PCIe speeds have increased, many manufacturers are using a technique called Host Memory Buffer (HMB) that allows the controller to use a small portion of system memory to store this data instead. PCIe transfers are very fast, so this is a viable solution. DRAM adds cost and additional power requirements, so manufacturers would ideally like to eliminate those factors.
Without DRAM, the controller uses a portion of the NAND space to store this data, which is much slower than the DRAM. As PCIe speeds have increased, many manufacturers are using a technique called Host Memory Buffer (HMB) that allows the controller to use a small portion of system memory to store this data instead. PCIe transfers are very fast, so this is a viable solution. DRAM adds cost and additional power requirements, so manufacturers would ideally like to eliminate those factors.
How do I know there is DRAM module on SSD or not?
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How do I know there is DRAM module on SSD or not?
Most manufacturers have actually stopped mentioning it or at least have made it very difficult to find, particularly on NVMe disks because it's really less of an issue today than it was in the past with the use of HMB on the rise.
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