FrostyTech Synthetic Temperature Test Platform Results
Mfg.	Model	Ambient Temp.	27mm large copper block	15mm small copper block		27mm large copper block	15mm small copper block	Thermal pad	No. Fans	Fan Noise	Clip force
			50W	50W		100W	100W
Thermalright	SLK800	21.7	34.8	37.5		45.2	51.6	none	1	loud	med
Thermalright	AX-7	21.7	34.8	37.1		46.1	52.1	none	1	loud	med
Tocools	Novasonic	22.9	40.9	39.9		54.4	59.4	none	1	med	stiff
Coolink	U1P2	26.1	39.4	44.9		50.9	62.2	none	2	loud	easy
Arkua	628	23.9	42.7	42.1		58.9	62.3	none	1	med	med
Thermal Integration	TI-V77L	26.5	39.1	44.4		57.5	63.6	grey	1	med	med
Sibak	AC02625B	23.2	41.3	59.0		43.2	64.7	none	1	loud	med
Coolink	U2P	27.1	40.6	47.6		55.3	67.6	none	1	loud	easy
Sibak	AC06725TH	22.5	42.9	46.2		61.7	67.7	none	1	Very loud	med
Coolermaster	HHC-001	21.7	40.0	44.8		56.3	68.1	none	1	loud	easy
Tocools	Crown	23.2	38.8	53.2		47.9	70.2	none	1	loud	stiff
Dynatron	DY1206BH-625	23.2	40.0	55.1		47.6	70.4	none	1	loud	stiff
Coolink	H2T	27.1	44.5	49.0		60.8	70.9	none	1	med	easy
AVC	Tundra2	22.0	41.4	47.5		59.0	71.1	none	1	loud	stiff
Coolink	U1L2	26.1	42.3	51.1		57.9	72.2	none	2	med	easy
Vantec	CCK-6027D	27.4	45.4	49.6		64.9	73.4	none	1	med	med
Coolermaster	HSC-V62	21.4	47.4	52.8		61.7	74.5	none	1	quiet	easy
NengTyi	XPC5000	23.9	46.5	49.1		69.1	76.1	none	1	med	med
Coolink	U2L	27.1	45.6	52.6		62.7	76.2	none	1	med	easy
Spire	5F263	22.6	44.7	51.8		64.3	76.2	white	1	low	med
Titan	TTC-CU5TB	24.2	46.2	51.2		61.8	76.4	none	1	loud	stiff
Taisol	CGK760092	23.4	42.7	51.3		61.2	77.5	pink	1	low	med
Spire	5T235	22.3	43.0	50.3		62.8	78.1	white	1	med	med
Zalman	CNPS6000-Cu	24.8	46.4	53.8		65.6	78.2	none	1	very low	easy
Ajigo	MF014-021	27.8	47.6	54.0		65.6	78.5	grey	1	med	med
Ajigo	SF017-011	27.2	47.5	55.1		65.7	78.9	grey	1	med	med
AVC	112AM1	24.8	46.6	52.9		70.1	79.6	none	1	low	stiff
Coolink	H1T	27.1	49.2	53.6		69.4	79.9	none	1	med	easy
Sibak	AE01625B	23.5	40.8	54.4		57.1	81.0	none	1	loud	easy
Coolermaster	HHC-L61	21.5	47.2	48.3		71.2	82.3	none	1	quiet	easy
Thermaltake	Volcano 6cu+	26.5	40.3	55.3		58.6	84.4	carbon	1	loud	med
JMC Products	400023	23.1	44.5	65.2		55.3	85.2	Chomerics T725	1	low	easy
Sibak	AT01515B	23.0	45.1	64.6		60.1	95.2	none	2	med	stiff
Verax	P11T	26.1	61.2	69.7		90.9	102.7	none	1	none	easy
Verax	P14	26.1	56.9	67.4		81.6	101.2	none	1	none	easy
			50W	50W		100W	100W

As performance heatsinks for the Socket A/370 platform go, the Thermalright SLK800 raises the bar rather high with the help of one very loud fan. Still, if performance cooling is your main deciding factor, this combination is the one to get. For the rest of us who really don't need something quite this loud, the SLK800 can accommodate smaller fans like 25mmx60mm or even 15mmx70mm - it all depends on your requirements.

In any case, to those of you who wrote into us here at FrostyTech.com and requested this review, here you go! The results speak for themselves, and apart from the fact that the clip take a big chunk of copper out of the central portion, there isn't much to frown on. I'd be really interested to see a Socket 754 (Hammer) version or even a socket 478 version in the future, but for the moment, I believe socket A is the only one covered by this type of Thermalright heatsink.

The folks at 2cooltek.com have the Thermalright SLK800 up for grabs for about $42USD without a fan, and you should be able to find a 38mm thick 80mm Delta for $15USD on the web.

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