Synology's DS119j $100 NAS is the least expensive NAS you can buy.
QNAP's TS-332X is a 10GbE NAS that trades higher flexibility for lower price.
Updated - ASUSTOR's AS4004T is a good value in a four-bay Gigabit port NAS with a bonus 10GbE port.
Thecus' N4350 is an entry-level four-bay SOHO NAS with little to recommend it.
QNAP's TS-128A is a high performance, inexpensive, single bay NAS.
Synology's DS118 is high performance, but expensive, single bay NAS.
Synology's DS918+ is a top-performing, but pricey four-bay NAS that could make good use of a 10 GbE port.
Synology's DS218j and DS218play bring good value and performance to two-bay NAS buyers.
ASUSTOR's AS3102T is our new #1 ranked RAID 1 NAS.