Can you use this RAM in late 2015 27" iMac

[marzfreerider]

I was hoping to hold out for a bit longer before I bought a new iMac, but my 2011 just died. I'm looking for RAM and came across this Kingston HyperX Impact. I'm going to max all upgrades except for the RAM if that makes any difference.

The specs are:

CAS Latency CL11
Number of Modules 2 x 8 GB
Signal Processing Unbuffered
Form Factor SoDIMM
Length 2.7"
Memory Speed 1866 MHz
Memory Size 16 GB
Memory Technology DDR3L SDRAM
Width 1.2"
Memory Voltage 1.35 V
ProductId 1029992813

General Information
Brand Name: Kingston
Manufacturer: Kingston Technology Company
Manufacturer Part Number: HX318LS11IBK2/16
Manufacturer Website Address: http://www.kingston.com
Product Line: HyperX Impact
Product Name: Impact SODIMM - 16GB Kit* (2x8GB) - DDR3L 1866MHz CL11 SODIMM
Product Type: RAM Module
Physical Characteristics
Form Factor: SoDIMM
Length: 2.7" (67.6 mm)
Width: 1.2" (30 mm)
Technical Information
CAS Latency: CL11
Memory Size: 16 GB
Memory Speed: 1866 MHz
Memory Technology: DDR3L SDRAM
Memory Voltage: 1.35 V
Number of Modules: 2 x 8 GB
Signal Processing: Unbuffered

Thanks for any and all help.