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ADATA SP900 SSD: Soft ECC Correction Rate Error in HDDScan 3.3 vs Crystal Disk Info

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  • #1 16831041
    lufa9999
    Level 17  
    Posts: 1491
    Rate: 137
    Hello.
    On the abovementioned disk, when checking Smart using HDDScan 3.3, an error appeared.
    Here is the screen:
    ADATA SP900 SSD: Soft ECC Correction Rate Error in HDDScan 3.3 vs Crystal Disk Info20171117_2..928.jpg (304.27 kB)You must be logged in to download this attachment.


    When checking a disk with Crystal Disk Info, the error does not show:
    ADATA SP900 SSD: Soft ECC Correction Rate Error in HDDScan 3.3 vs Crystal Disk Infocdi.jpg (268.87 kB)You must be logged in to download this attachment.
    Which program to believe more? What is this error?
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  • #3 16831142
    dt1
    Admin of Computers group  
    Posts: 47952
    Help: 7260
    Rate: 8185
    There is nothing to check, everything is OK, SMART parameters are normal. If I were a colleague, I would be more interested in the second disc (E, F), which has problems.
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    #4 16831290
    michal_aniol
    Level 33  
    Posts: 1651
    Help: 182
    Rate: 100
    As far as I'm not mistaken, these drives run on Sandforce controllers (the most failing). I suggest not to keep any important data on it, because it will probably fall sooner or later.
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    #5 16831479
    safbot1st
    Level 43  
    Posts: 21951
    Help: 2719
    Rate: 1583
    dt1 wrote:
    If I were a colleague, I would be more interested in the second disc (E, F), which has problems.
    Exactly as a colleague mentioned. A disk with a failure working in parallel in the system may, and probably will, cause problems in the system operation. The failed drive must be repaired or disconnected.
  • #6 16832142
    lufa9999
    Level 17  
    Posts: 1491
    Rate: 137
    Sectors are relocated. Can it be repaired or replaced?
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    #7 16832157
    dt1
    Admin of Computers group  
    Posts: 47952
    Help: 7260
    Rate: 8185
    Such sectors cannot be repaired. This is information that they are no longer used. If there are few of them, then such a disk can be used, but it is worth monitoring its health (mainly paying attention to whether the RAW values of parameters 05 and c5 go up, but of course the rest of the parameters cannot be ignored).
  • #8 16832170
    lufa9999
    Level 17  
    Posts: 1491
    Rate: 137
    There are 13 of them right now.
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    #9 16832173
    dt1
    Admin of Computers group  
    Posts: 47952
    Help: 7260
    Rate: 8185
    Show the rest of SMART of this disk.
  • #10 16832189
    lufa9999
    Level 17  
    Posts: 1491
    Rate: 137
    ADATA SP900 SSD: Soft ECC Correction Rate Error in HDDScan 3.3 vs Crystal Disk Info
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    #11 16832218
    dt1
    Admin of Computers group  
    Posts: 47952
    Help: 7260
    Rate: 8185
    The disk is not under warranty, because it is an OEM disk (e.g. from a disk bay or from a ready-made computer set). Generally, you can use it, but it's worth watching if its SMART parameters are not deteriorating (especially an increase in RAW 05 and c5 values should be a signal that something is wrong). Of course, it is advisable to make copies of any important data, such a disk should already be treated with a certain degree of distrust (which does not have to mean that it is intended for grinding).

    According to the current data, theoretically, every sector on the disk should be readable.
  • #12 16832224
    lufa9999
    Level 17  
    Posts: 1491
    Rate: 137
    OK thanks so much for your help!
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Topic summary

✨ The discussion revolves around the ADATA SP900 SSD, where the user encounters a Soft ECC Correction Rate error when using HDDScan 3.3, while Crystal Disk Info does not report this error. Responses suggest using ADATA's official tools for verification and indicate that SMART parameters appear normal. Concerns are raised about the reliability of drives with Sandforce controllers, which are known for higher failure rates. The presence of relocated sectors is noted, with advice that such sectors cannot be repaired, and monitoring of SMART parameters is essential. Users are advised to back up important data and treat the drive with caution, especially since it is an OEM model and out of warranty.
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FAQ

TL;DR: On this ADATA SP900 case, 1 secondary drive showed failures; experts noted “SMART parameters are normal.” HDDScan’s Soft ECC flag reflected a tool interpretation, not a failing SSD. Prioritize the failing HDD first. [Elektroda, dt1, post #16831142]

Why it matters: It helps users decide whether to trust SMART, which drive to fix first, and how to monitor risk.

Quick Facts

Which tool should I trust if HDDScan shows “Soft ECC Correction Rate” but CrystalDiskInfo doesn’t?

Trust the overall SMART assessment rather than a single vendor-independent flag. In this case, SMART looked normal. The expert highlight was to focus on the actually failing second drive instead. Different utilities parse attributes differently, which can surface non-critical flags. Address the known failing disk first, then continue routine SMART monitoring on the SSD. “SMART parameters are normal.” [Elektroda, dt1, post #16831142]

What does “Soft ECC Correction Rate” mean in practice?

It indicates error-correction activity reported by the controller and interpreted by the tool. A flag alone doesn’t prove an SSD fault if the full SMART set is healthy. In this thread, the SSD’s SMART was deemed normal, and the real risk was a separate failing drive. Treat ECC flags as informational unless other SMART attributes deteriorate. [Elektroda, dt1, post #16831142]

Can reallocated sectors be repaired?

No. Reallocated sectors are mapped out and no longer used. You can continue using the disk if the count is low and stable. Monitor health and watch for increases in RAW 05 and C5. “Such sectors cannot be repaired.” Keep backups and reassess if values rise. [Elektroda, dt1, post #16832157]

How many reallocated sectors did the OP report?

The OP reported 13 reallocated sectors at that moment. Use this as a baseline and keep tracking the count over time. Rising numbers signal deterioration and require swift data protection steps. Stable numbers with clean SMART otherwise can be acceptable short-term. [Elektroda, lufa9999, post #16832170]

Which drive should I fix first when two are connected?

Fix or disconnect the failing drive first. The expert pointed to the second drive (E, F) as the problem device, while the SSD’s SMART looked normal. Prioritizing the known-bad disk prevents system instability and data loss during diagnostics. [Elektroda, dt1, post #16831142]

Can a bad secondary drive cause OS slowdowns or crashes?

Yes. A failed or failing drive running in parallel can cause system issues, from freezes to boot delays. Disconnect it during troubleshooting or replace it after backup. This reduces cascading errors that mimic broader system faults. [Elektroda, safbot1st, post #16831479]

Is the ADATA SP900 in this thread under warranty?

No. It was identified as an OEM unit, not covered by standard retail warranty. You can use it, but monitor SMART closely and keep backups of important data. OEM labeling affects RMA paths and support options. [Elektroda, dt1, post #16832218]

Are ADATA SP900/SandForce-based SSDs reliable?

One participant warned that SandForce-based drives were the most failure-prone and suggested not storing critical data on them. Treat this as a cautionary opinion and ensure robust backups if you continue using such hardware. “The most failing.” [Elektroda, michal_aniol, post #16831290]

What immediate actions protect my data right now?

Back up important files, then monitor SMART for changes, especially attributes 05 and C5. If counts rise, migrate data off the drive. Keep the failing disk disconnected until you finish backup and diagnostics. This reduces the risk of read failures mid-transfer. [Elektroda, dt1, post #16832218]

Is the SSD currently readable despite the flags?

Yes. Based on the posted SMART, every sector on the disk should be readable at that time. Continue routine checks and watch for attribute drift. If new errors appear, plan a proactive replacement window. [Elektroda, dt1, post #16832218]

What are SMART attributes 05 and C5 in plain terms?

05 tracks reallocated sector count; C5 tracks current pending sectors. Rising values indicate the drive is remapping or struggling to read sectors. If either increases, back up and prepare to retire the disk. Stable values suggest acceptable short-term use with monitoring. [Elektroda, dt1, post #16832157]

How do I cross-check results with ADATA’s own tools?

  1. Download and install ADATA’s official SSD utility from the vendor’s software page.
  2. Run a SMART report and note key attributes (05, C5) as a baseline.
  3. Compare with third‑party tools; trust consistent trends over single flags. [Elektroda, adamjk, post #16831135]

CrystalDiskInfo says Good, but another tool flags ECC—what’s the risk?

If full SMART is normal, risk is low short-term. Use the discrepancy as a prompt to validate with a vendor tool and to set monitoring thresholds. Focus remediation on any drive that shows clear SMART failures. Document attribute baselines for trend tracking. [Elektroda, dt1, post #16831142]

What’s the safe way to keep using a disk with a few reallocations?

Keep verified backups, monitor 05 and C5, and watch for increases. Plan replacement if numbers rise or new errors appear. Continued use is acceptable short-term if SMART stays stable and there are no pending sectors. “You can use it, but watch SMART.” [Elektroda, dt1, post #16832157]

Does this thread suggest the SSD was the main culprit?

No. Experts concluded the SSD’s SMART looked normal and pointed to the second drive as problematic. Troubleshooting focused on isolating or replacing that failing device first. This aligns with minimizing system risk. [Elektroda, dt1, post #16831142]
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