indeed, HMB is a nvme feature, it makes no sense for SATA as the interface is the bottleneck and it also could not be implemented (HMB does not need a driver/application in theory as it's drive firmware managed via DMA and part of the specification)
Well it makes no real economic sense to develop "high performance" drives for a legacy "dead" interface that can be maxed out by the cheapest slowest nand and controller combo.
¿what's left in SATA?, you have Crucial MX500 which was introduced in 2018 (last FW 2014 and it uses a hodgepodge of different NAND types), 870 EVO which is TLC from 2021, and 870 QVO QLC which is trash (unless you find it at bargain basement prices and use it for all reads/seq writes) and several kingston drives like the A400 ultra cheap/KC600 and their SATA datacenter drives(which could be a good drive if found at bargain) like the DC500R/M or DC600M
Well to me the main benefit of HMB is not throughput but rather longevity of the static nand blocks that cannot be wear levelled, a ram cache prevents them been written anywhere near as often. So the risk on dramless SATA for me is much higher than NVME which has HMB as a substitute.
In terms of econcomic sense, you are looking at it from a marketing point of view, currently NVME has the marketing benefits as they want to keep advertising ever faster drives. However M.2 has limitations with its form factor and the fact it needs more motherboard PCB space, from a practical point of view 600MB/sec is absolutely fine from a performance perspective for the vast majority of consumer workloads. So the real bottleneck in the SSD industry right now isnt speed, its capacity. Currently I have a bunch of half or 1tb SSD's (plus my enterprise 2TB dc p4600) and there is no way my next SSD is anything smaller than 2TB but ideally at least 4TB. I also cannot retire my remaining spindles in my PC until 4-8TB SSDs become mainstream. Posts are gradually becoming more common on here for instance regarding wanting bigger drives. I am currently considering a 2TB SN850 as I have noticed prices have come down somewhat, but SATA does have the capability for larger capacity drives, it just needs vendor interest.
My DC P4600 is also actually slower than my SATA 860 EVO for practical purposes, it has poor single threaded performance, and its 4k is notably lower. Slower at chkdsk etc. It only wins on sequential which isnt that important above about 200-300MB/sec. However its 2TB size and massive endurance rating I am using it quite a lot for heavy write stuff now.
As w1zzard said TLC SATA drives at least can maintain their speeds 100% as well, he gave you a use case, and I look forward to his review.
I think I will likely lean to a WD blue as next SATA SSD though.