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Question DRAMless HP M700 120gb SSD Total Host Writes accumulates in light speed

Jun 15, 2020
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0
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I have a HP M700 120GB SSD (DRAMless, planar MLC nand) for light websurfing use. Windows 10 only, nothing else installed.
It has been used very lightly (indicated by low power-on count and hours) but the Host Writes is somehow over 44Tb already. I observed the speed of accumulation and about half a day of light web-surfing was accumulating near 1TB of host writes!! which doesn't make sense at all. Anyone experience anything like this? Maybe DRAMless causes so much caching on nand and causing so much writing? mayba SATA/300 connection is causing this? (old Core2Quad rig... SATA/300 maximum)



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CrystalDiskInfo 8.6.2 (C) 2008-2020 hiyohiyo
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OS : Windows 10 Professional [10.0 Build 19041] (x64)
Date : 2020/07/15 23:47:10

-- Controller Map ----------------------------------------------------------
+ Standard SATA AHCI Controller [ATA]
- HP SSD M700 120GB
- Microsoft Storage Spaces Controller [SCSI]

-- Disk List ---------------------------------------------------------------
(1) HP SSD M700 120GB : 120.0 GB [0/0/0, pd1] - sf

----------------------------------------------------------------------------
(1) HP SSD M700 120GB
----------------------------------------------------------------------------
Model : HP SSD M700 120GB
Firmware : Q1017A1
Serial Number :
Disk Size : 120.0 GB (8.4/120.0/120.0/120.0)
Buffer Size : Unknown
Queue Depth : 32
# of Sectors : 234441648
Rotation Rate : ---- (SSD)
Interface : Serial ATA
Major Version : ACS-2
Minor Version : ACS-2 Revision 3
Transfer Mode : SATA/300 | SATA/600
Power On Hours : 307 hours
Power On Count : 124 count
Host Reads : 43874 GB
Host Writes : 44742 GB
Temperature : 45 C (113 F)
Health Status : Good
Features : S.M.A.R.T., APM, 48bit LBA, NCQ, TRIM
APM Level : 0080h [ON]
AAM Level : ----
Drive Letter : C:

-- S.M.A.R.T. --------------------------------------------------------------
ID Cur Wor Thr Raw Values (7) Attribute Name
01 100 100 _50 00000000000000 Raw Read Error Rate
05 100 100 __5 00000000000000 Retired Block Count
09 100 100 __0 00000000000133 Power-on Hours
0C 100 100 __0 0000000000007C Power Cycle Count
AB 100 100 __0 00000000000000 Program Fail Count
AC 100 100 __0 00000000000000 Erase Fail Count
AD 100 100 __5 00000000000011 Vendor Specific
AE 100 100 __0 0000000000000C Unexpected Power Loss Count
B0 100 100 __0 00000000000064 Vendor Specific
B7 100 100 __0 00000000000000 Vendor Specific
BB 100 100 __0 00000000000000 Reported Uncorrectable Errors
C2 100 100 __0 0000000000002D Temperature
C6 100 100 __0 00000000000000 Uncorrectable Sector Count
C7 100 100 __0 00000000000000 SATA R-Errors (CRC) Error Count
F1 100 100 __0 0000000000AEC6 Lifetime Writes from Host
F2 100 100 __0 0000000000AB62 Lifetime Reads from Host
F3 100 100 __0 000000000063CA Vendor Specific

-- IDENTIFY_DEVICE ---------------------------------------------------------
0 1 2 3 4 5 6 7 8 9
000: 0040 3FFF C837 0010 0000 0000 003F 0000 0000 0000
010: 4842 5341 3137 3432 3337 3036 3031 3920 2020 2020
020: 0000 0000 0000 5131 3031 3741 3120 4850 2053 5344
030: 204D 3730 3020 3132 3047 4220 2020 2020 2020 2020
040: 2020 2020 2020 2020 2020 2020 2020 8001 4000 2F00
050: 4000 0200 0000 0007 3FFF 0010 003F FC10 00FB 9101
060: 4BB0 0DF9 0000 0007 0003 0078 0078 0078 0078 4D20
070: 0000 0000 0000 0000 0000 001F 850E 0084 0044 0040
080: 03F0 0110 346B 7509 4063 3469 B409 4063 027F 0001
090: 0001 0080 FFFE 0000 0000 0000 0000 0000 0000 0000
100: 4BB0 0DF9 0000 0000 0000 0008 6003 0000 0000 0000
110: 0000 0000 0000 0000 0000 0000 0000 0000 0000 401C
120: 401C 0000 0000 0000 0000 0000 0000 0000 0029 0000
130: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
140: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
150: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
160: 0000 0000 0000 0000 0000 0000 0000 0000 0003 0001
170: 0000 0000 0000 0000 0000 0000 2020 2020 2020 2020
180: 2020 2020 2020 2020 2020 2020 2020 2020 2020 2020
190: 2020 2020 2020 2020 2020 2020 2020 2020 2020 2020
200: 2020 2020 2020 2020 2020 2020 0000 0000 0000 4000
210: 0000 0000 0000 0000 0000 0000 0000 0001 0000 0000
220: 0000 0000 10FF 0000 0000 0000 0000 0000 0000 0000
230: 0000 0000 0000 0000 0020 0020 0000 0000 0000 0000
240: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
250: 0000 0000 0000 0000 0000 98A5

-- SMART_READ_DATA ---------------------------------------------------------
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F
000: 01 00 01 2F 00 64 64 00 00 00 00 00 00 00 05 33
010: 00 64 64 00 00 00 00 00 00 00 09 32 00 64 64 33
020: 01 00 00 00 00 00 0C 32 00 64 64 7C 00 00 00 00
030: 00 00 AB 32 00 64 64 00 00 00 00 00 00 00 AC 32
040: 00 64 64 00 00 00 00 00 00 00 AD 32 00 64 64 11
050: 00 00 00 00 00 00 AE 32 00 64 64 0C 00 00 00 00
060: 00 00 B0 22 00 64 64 64 00 00 00 00 00 00 B7 32
070: 00 64 64 00 00 00 00 00 00 00 BB 32 00 64 64 00
080: 00 00 00 00 00 00 C2 22 00 64 64 2D 00 00 00 00
090: 00 00 C6 30 00 64 64 00 00 00 00 00 00 00 C7 32
0A0: 00 64 64 00 00 00 00 00 00 00 F1 32 00 64 64 C6
0B0: AE 00 00 00 00 00 F2 32 00 64 64 62 AB 00 00 00
0C0: 00 00 F3 32 00 64 64 CA 63 00 00 00 00 00 00 00
0D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
160: 00 00 00 00 00 00 00 00 00 00 00 00 78 00 00 5B
170: 03 00 01 00 02 0A 00 00 00 00 00 00 00 00 00 00
180: 00 00 51 31 30 31 37 41 31 20 30 30 00 00 00 00
190: 53 4D 49 32 32 35 38 58 54 00 00 00 00 00 00 00
1A0: 4F 78 00 00 00 00 00 00 00 00 00 00 00 00 0A E8
1B0: 00 00 00 49 4D 30 30 00 00 00 00 00 00 00 00 00
1C0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1D0: 00 00 00 00 16 03 00 00 E9 15 00 00 1E 00 23 00
1E0: 06 00 66 62 00 00 10 00 23 00 04 00 00 00 00 00
1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 08

-- SMART_READ_THRESHOLD ----------------------------------------------------
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F
000: 01 00 01 32 00 00 00 00 00 00 00 00 00 00 05 05
010: 00 00 00 00 00 00 00 00 00 00 09 00 00 00 00 00
020: 00 00 00 00 00 00 0C 00 00 00 00 00 00 00 00 00
030: 00 00 AB 00 00 00 00 00 00 00 00 00 00 00 AC 00
040: 00 00 00 00 00 00 00 00 00 00 AD 05 00 00 00 00
050: 00 00 00 00 00 00 AE 00 00 00 00 00 00 00 00 00
060: 00 00 B0 00 00 00 00 00 00 00 00 00 00 00 B7 00
070: 00 00 00 00 00 00 00 00 00 00 BB 00 00 00 00 00
080: 00 00 00 00 00 00 C2 00 00 00 00 00 00 00 00 00
090: 00 00 C6 00 00 00 00 00 00 00 00 00 00 00 C7 00
0A0: 00 00 00 00 00 00 00 00 00 00 F1 00 00 00 00 00
0B0: 00 00 00 00 00 00 F2 00 00 00 00 00 00 00 00 00
0C0: 00 00 F3 00 00 00 00 00 00 00 00 00 00 00 00 00
0D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1C0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 AF
 

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Aug 12, 2007
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That is a ton of writes for that kind of usage, try to find out what's doing those writes (e.g. Resource Monitor or some sort of tracing). It must be going active at some point. Luckily you have Samsung MLC in there...
 

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