Youtuber detects changes in Samsung 970 EVO Plus SSD – Computer – News

A Chinese YouTuber discovered that Samsung recently introduced a modified version of the 970 EVO Plus SSD. The new version is slower sustainable performance, but when copying large files, performance is reported to be lower.

The modified version of Samsung 970 EVO Plus SSD has du chinese youtube About the new ones memory controller Tom’s devices It is suspected to be the Elpis controller also used in the EVO 980 Pro. The modified 970 EVO Plus also features a much larger cache: 115 GB instead of the original 42 GB. However, when the cache is full, write speeds drop dramatically.

The “old” version of the 970 EVO Plus SSD with write speeds of 1750 MB / s. If the slc cache contains 40 GB of data, then the write speed is then reduced to 1500 MB / s. The new modified version has a write speed of 2500MB/s until the 115GB SLC cache is full. Then the write speed is reduced to 800 MB / s. This version of the 970 EVO Plus SSD has a slower sustained performance, although some models’ performance is comparable. The modified version of the 970 EVO Plus was slightly faster after burning a 154GB video file.

In the comparison test, the YouTube user also noted that the modified version of the 970 EVO Plus SSD became much warmer than the original. However, according to Tom’s Hardware, nothing is known about the circumstances in which these tests were performed.

The original (left) and a modified version of the Samsung 970 EVO Plus

Earlier this month, it was announced that Western Digital and Crucial are modifying their SSD hardware without any form of communication. Western Digital replaced the WD Blue SN550 NVMe SSD’s nand memory, causing write speeds to drop from 849MB/s to 390MB/s when the slc cache was full. a company promises From now on, enter new model numbers when you adapt to an internal SSD.

It also came decisive at the beginning of this month in the news. Tom’s devices I noticed Note that the company outfitted its P2 SSDs with qlc-nand instead of tlc chips without changing the model name. According to the tests, the performance of the qlc variants is much lower than that of the tlc variants.

Samsung has adapted the list of specifications and packaging for this modified version. However, the company has not communicated openly about the amendment. The modified version was given the model number MZVL21T0HBLU, while the old version can be identified as MZVLB1T0HBLR. The company is reportedly making modifications to the SSDs, as it struggles with a lack of chips.

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