![]() V.5.0 x890 CASES (ET6890A, ET7890A) The Addtronics 7890 and 6890 are Addtronics' first generation of these two chassis sizes. Initially, a buyer gets the impression that the 'only' real difference between the the x890 cases and the x896 cases is that the x890 chassis has an important advantage: an additional 5.25 external drive bay. Some years ago, when the only HDs were 5.25s, or when the only way to cool HDs was with HD coolers with 40 mm. fans, that might have been an advantage. That extra 5.25 external bay becomes a liability save for unusual circumstances for a special configuration. It really comes at a significant cost--the intrusion of that bottom 5.25 bay into the lower section of the case. Because of that intrusion, there can be no internal hanger mount for HDs at the front of the case, and no intake fan mounted directly in front of it. That cuts the potential space for internal HDs by half and eliminates the use of a case fan for HD cooling--certainly the most economical way to cool HDs.Further, it limits the intake system to two 80 mm fans, thus forcing use of higher cfm/noiser fans or modifications--e.g., punching two 90s in the 80 mounts. And, with only the one hanger mount available adjacent to the CPU location, there can be conflict between larger HSFs and the HDs. For these reasons and others, the 7890 is available by special order only. I will keep on hand a couple of 6890s for those special needs of a customer, but I do not routinely recommend either case now. When one weighs the advantages and disadvantages overall of the x890 and the x896, the x896 series is a far better package for the performance/quietness enthusiast. SIZE: Same as the 7896 and 6896 cases. BASE PRICING: 7890/A300 6890/A300 MODIFICATIONS: Many of the options for x896 cases can be applied to the x890 cases, but without the improvement benefits. The molded-in intake grills of the x890 cases constrict the air flow to a greater degree than do the pinhole-perforated grills of the x896 cases, and preclude a cost-effective modification by us that will work well. ADDTRONICS CASE ACCESSORIES & PARTS NOTE: I am attempting to get in stock the Addtronics Left Side and Top Panels to facilitate providing pre-punched blowholes on an "exchange" basis. | 1 | 2 | table of contents | 4 | 5 | 6 | 7 | 8 | 9 | | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | | 30 | 31 | Coolcases Home |