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Is my N7 done for? (Failing storage?!)

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GldRush98
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Location: Taylorville, IL.
Default Is my N7 done for? (Failing storage?!)

My N7 slowed to a crawl around the time the 4.4 update dropped.
At the time I chalked it up to update issues or something with 4.4. After talking with many N7 owners, they are not seeing the severe lag I am.
I have tried reflashing the boot and system partitions with the factory images to eliminate any possible OS issues.
Tonight I hard reset and started from scratch per the recommendations I've read elsewhere.
Upon booting up after the wipe I can immediately tell the N7 is lagging. I installed AndroBench right off the bat:
Sequential Read: 2.85 MB/s
Sequential Write: 0.29 MB/s
Random Read: 0.23 MB/s, 61.12 IOPS
Random Write: 0.0 MB/s, 2.12 IOPS

Holy crap. Wow.... I've tried to run a trim via LagFix, but nothing has improved it.
At this point I believe my internal storage is dying a slow laggy ****ty death.
There is nothing I can do here, right? I'm pretty much dicked?
Such a shame. This thing used to be amazing, and now it is unusable. Do I just trash it (and never buy another Asus product again) or what?
---Phone---
Nexus 5 32gb
Android 4.4.4 KTU84P, Baseband 2.0.50.1.16, Unlocked, rooted, TWRP Recovery 2.7.1.1
---Tablets---
Samsung Note 10.1 2014 Edition 32gb
Android 4.4.2 KOT49H, rooted, TWRP 2.6.3.3
Nexus 7 16gb
Android 4.4.2 KOT49H, Unlocked, rooted, TWRP Recovery 2.6.3.1
---Past---
Galaxy Nexus (AT&T)
Android 4.3 JWR66Y, Baseband I9250XXLJ1, Unlocked, rooted, Clockwork Touch 6.0.4.3
Google Nexus One | AT&T Fuze (Touch Pro) | AT&T 8525 (Hermes) | AT&T 8125 (Wizard)
 
Erovia
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Interesting. those numbers are unusually low but that's not the typical way nands die. (The slowly lose capacity as the cells worn out.)
Is there any free space on your N7's /data partition?
Phone: Nexus 4
ROM: ParanoidAndroid 4+
Kernel: hells-Core
Recovery: MultiROM
--------------------------------------------------------------------------------------------------------------------------
Tablet: Nexus 7
ROM: SlimKat 5+
Kernel: LeanKernel
Recovery: MultiROM
--------------------------------------------------------------------------------------------------------------------------
Phone: Motorola Milestone A853 ROM: CyanogenMod 9.1.0d Recovery: Open Recovery MiniMod by -FuFu-
 
GldRush98
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Thanks Meter 266
Posts: 2,165
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Location: Taylorville, IL.
Yes, nearly 6gb.
---Phone---
Nexus 5 32gb
Android 4.4.4 KTU84P, Baseband 2.0.50.1.16, Unlocked, rooted, TWRP Recovery 2.7.1.1
---Tablets---
Samsung Note 10.1 2014 Edition 32gb
Android 4.4.2 KOT49H, rooted, TWRP 2.6.3.3
Nexus 7 16gb
Android 4.4.2 KOT49H, Unlocked, rooted, TWRP Recovery 2.6.3.1
---Past---
Galaxy Nexus (AT&T)
Android 4.3 JWR66Y, Baseband I9250XXLJ1, Unlocked, rooted, Clockwork Touch 6.0.4.3
Google Nexus One | AT&T Fuze (Touch Pro) | AT&T 8525 (Hermes) | AT&T 8125 (Wizard)
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