Includes stock (unused) intel heatsink and fan. Originally cooled with an AIO (all in one) liquid cooler.

Mixed memory g.skill trident & corsair vengeance with same specs & timings.

From the manufacturer:

Z97S SLI KRAIT EDITION -Supports 4th and 5th Gen Intel® Core™ / Pentium® / Celeron® processors for LGA 1150 socket

-Supports DDR3-3300 (OC) Memory

-SATA Express + M.2 + USB 3.0 + SATA 6Gbps

-Military Class 4: Top Quality & Stability

-OC Genie 4: Overclocks in 1 Second

-Click BIOS 4: Easily Fine-tune Your System

-4K UHD Support: Ultra-high Definition Visual Experience

-Multi-GPU: NVIDIA SLI & AMD CrossFire Support

-Command Center: Control & Customize Your PC Settings

-Fast Boot: Quickly Boot Up & Enter OS in A Few Seconds

-Smart Utilities: Easily Setup & Configure Intel® Technologies

See for more specs: https://www.newegg.com/p/N82E16813130801?Item=N82E16813130801