I traditionally use 2 main laptops as main machines for everyday use, plus a few older specialised machines for specific jobs. All but one are Thinkpads of one sort or another.
I am so delighted by the X220T that I have purchased an X230T to use as the second main machine, and it is now "in the post". I plan to install a 500GB msata drive to give more space in the fast area, and have a choice of 2 affordable ones:
Kingston UV500 which says its memory type is 3D TLC and claims a mtbf of 1,000,000 hours and data storage life of 200 TBW
Samsung 860 EVO - memory type V-NAND 3bit MLC and claims mtbf of 1,500.000 hours and data storage life of 300 TBW
Ths Samsung claims a higher speed, but I am conscious that the mSATA port is only SATA 2
I assume either will fit physically, and the Samsung is about 10% more expensive. Would it make sense to go with that rather than the Kingston that I am familiar with?
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Kingston is/was the pioneer that got SSDs started, they have the longest experience.
Methinks either one will do fine and will probably outlive you.
1 mio. hours = ~ 114 years.
SATA II is more than fast enough, unless you move vast amounts of data around all the time.
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In the end I ordered the Samsung mSATA.
My next decision is going to have to be about the memory in the X230, which I'd like to eventually take up to 16GB to give plenty for the VM that I run.
I have read earlier discussions here without getting a clear idea of what is needed, I'm afraid.
I do know that my X220 was very picky about ram, and I ended up swapping ram with another Thinkpad to get it working reliably.
For the X230, the Lenovo spec indicates DDR3 and CPUID shows the ram is running on 1.5 volts. The 4GB Samsung stick in the machine is DDR3L,and the Samsung spec sheet says 1.35/1.5 volts. Entering into the Crucial ram finder, they indicate DDR3L for both the X220 and X230, and the spec of their ram just says 1.35 volts.
I had a spare 4GB Samsung stick with the same main part number as the one in my X230, but with a different suffix - I think yk0 rather than ck0 - and it didn't work at all in my X220. I've bunged it in the X230, and it seems to be working fine, giving me 8GB.
Running CPUID on the X230, it says ram slot 1 is running at 1.5volts, slot 2 is running at 1.35 volts. On the X220, both slots are at 1.5 volts.
It all seems a bit weird and confusing.
Looking on ebay, I see that I can buy "Crucial" and other makes of ram for about 1/3 the price that Crucial charge. I wonder if anyone has tried this ram, and is it as dodgy as it appears?
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The memory controller inside the Sandy Bridge CPUs doesn't have proper support for DDR3L, so it runs at 1.5v. The Ivy Bridge CPUs in the X230 support both 1.5v DDR3 and 1.35v DDR3L.
Backup: X601 Core 2 Duo T8100
Toy: X60F Core Solo U1300
On loan: X220 4291-P79 i5-2520M
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
To your original question, 1TB SSDs are down to $100-ish nowadays. mSATA+HDD combo is looking less relevant. I'm still chugging along with it, but only for being too lazy to upgrade...
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