The Silicon Motion SM2263XT controller relies on the system's dynamic memory to offer standard performanceNVMe At a price that is supposed to be close to the SATA drives
SSDs that give up dynamic, technology based memory DDR3, DDR3L or LPDDR3, to shave a few extra dollars off the price of their components, they are not in a new line, and accompany the industry almost from day one - usually with only partial success, with performance that tends to be less than those of drives that do include memory The important treasure on their printed circuit.
An up-to-date technology called HMB (Host Memory Buffer) hopes to change the negative approach that has developed (rightly) for DRAM-free drives and allow consumers to enjoy decent performance as well as a reduced price - by using the system's dynamic memory to store storage routing tables for quick access The need to jumpstart random reading performance.
One of the first controllers to be based on HMB technology is Silicon Motion's SM2263XT, which promises to deliver continuous transmission speeds of up to 2,400 megabytes per second and random performance up to 280,000IOPS in reading and 250,000IOPS in writing, defeating any drive SSD Based on the SATA standard, with or without memory Built-in dynamic, with price tags that can reach at least 40 cents per gigabyte.
TomsHardware site They got a chance The first to see the capabilities of the fresh cattle, some time before the first commercial products landing in stores, and there we have received proof that in most indicators and situations both continuous and random performance are good enough to compete with more advanced NVME drives, memory Dynamic built-in.
This is not a bad development at all, although the capabilities do not necessarily match the theoretical statements of Silicon Motion, And although it is known that the performance of such demonstration hardware does not always match what is ultimately obtained in mass products sold in stores.
It is not difficult to see that HMB drives still have a number of corners where their disadvantages are evident compared to the drives NVMe More advanced, especially in situations where the relative latency of the array is of paramount importance - but if prices do approach those of SATA drives, it will still be a significant and important improvement in capabilities, so we can only hope that this prophecy is soon fulfilled.