What does "w/TS" signify?

I looked through all the spec sheets and documentation before I bought this. There was no explicit answer but I believe it refers to the Thermal Sensor on the DIMM.

Questions & Answers: Kingston 8GB 240-Pin DDR3 1600 (PC3 12800) ECC Unbuffered Memory KVR16LE11/8KF w/TS Server Kingston F

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Kingston 8GB 240-Pin DDR3 1600 (PC3 12800) ECC Unbuffered Memory KVR16LE11/8KF w/TS Server Kingston F

DDR3 1600 (PC3 12800)
ECC Unbuffered
Cas Latency 11

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